diff --git a/app/code/Magento/Catalog/view/base/web/js/price-utils.js b/app/code/Magento/Catalog/view/base/web/js/price-utils.js
index 7b83d12cc9804..da45e978a63f2 100644
--- a/app/code/Magento/Catalog/view/base/web/js/price-utils.js
+++ b/app/code/Magento/Catalog/view/base/web/js/price-utils.js
@@ -56,6 +56,7 @@ define([
             s = amount < 0 ? '-' : isShowSign ? '+' : '';
         } else if (isShowSign === false) {
             s = '';
+            pattern = '%s';
         }
         pattern = pattern.indexOf('{sign}') < 0 ? s + pattern : pattern.replace('{sign}', s);
 
diff --git a/app/code/Magento/Checkout/view/frontend/web/js/view/summary/abstract-total.js b/app/code/Magento/Checkout/view/frontend/web/js/view/summary/abstract-total.js
index 2ca829abd72f7..5ffd7d6db524f 100644
--- a/app/code/Magento/Checkout/view/frontend/web/js/view/summary/abstract-total.js
+++ b/app/code/Magento/Checkout/view/frontend/web/js/view/summary/abstract-total.js
@@ -21,6 +21,10 @@ define([
             return priceUtils.formatPrice(price, quote.getPriceFormat());
         },
 
+        getFormattedPriceWithoutSign: function (price) {
+            return priceUtils.formatPrice(price, quote.getPriceFormat(), false);
+        },
+
         /**
          * @return {*}
          */
@@ -39,4 +43,4 @@ define([
             return stepNavigator.isProcessed('shipping');
         }
     });
-});
+});
\ No newline at end of file
diff --git a/app/code/Magento/Tax/view/frontend/templates/order/tax.phtml b/app/code/Magento/Tax/view/frontend/templates/order/tax.phtml
index b329f00973b5a..9d769cedfac8f 100644
--- a/app/code/Magento/Tax/view/frontend/templates/order/tax.phtml
+++ b/app/code/Magento/Tax/view/frontend/templates/order/tax.phtml
@@ -3,9 +3,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
-
 // @codingStandardsIgnoreFile
-
 ?>
 <?php
     $_order  = $block->getOrder();
@@ -26,7 +24,7 @@
                 <td <?= /* @escapeNotVerified */ $block->getLabelProperties() ?>>
                     <?= $block->escapeHtml($title) ?>
                     <?php if (!is_null($percent)): ?>
-                        (<?= (float)$percent ?>%)
+                        (<?= /* @noEscape */ $_order->getOrderCurrency()->formatTxt((float)$percent, ['display' => \Magento\Framework\Currency::NO_SYMBOL]) ?>%)
                     <?php endif; ?>
                     <br />
                 </td>
@@ -54,4 +52,4 @@
     <td <?= /* @escapeNotVerified */ $block->getValueProperties() ?> data-th="<?= $block->escapeHtml(__('Tax')) ?>">
         <?= /* @escapeNotVerified */ $_order->formatPrice($_source->getTaxAmount()) ?>
     </td>
-</tr>
+</tr>
\ No newline at end of file
diff --git a/app/code/Magento/Tax/view/frontend/web/js/view/checkout/summary/tax.js b/app/code/Magento/Tax/view/frontend/web/js/view/checkout/summary/tax.js
index 2b1f387f5c8c4..18726e2c5acef 100644
--- a/app/code/Magento/Tax/view/frontend/web/js/view/checkout/summary/tax.js
+++ b/app/code/Magento/Tax/view/frontend/web/js/view/checkout/summary/tax.js
@@ -102,30 +102,11 @@ define([
         },
 
         /**
-         * @param {*} parent
-         * @param {*} percentage
+         * @param {*} percent
          * @return {*|String}
          */
-        getTaxAmount: function (parent, percentage) {
-            var totalPercentage = 0;
-
-            taxAmount = parent.amount;
-            rates = parent.rates;
-            _.each(rates, function (rate) {
-                totalPercentage += parseFloat(rate.percent);
-            });
-
-            return this.getFormattedPrice(this.getPercentAmount(taxAmount, totalPercentage, percentage));
-        },
-
-        /**
-         * @param {*} amount
-         * @param {*} totalPercentage
-         * @param {*} percentage
-         * @return {*|String}
-         */
-        getPercentAmount: function (amount, totalPercentage, percentage) {
-            return parseFloat(amount * percentage / totalPercentage);
+        formatTxt: function (percent) {
+            return this.getFormattedPriceWithoutSign(percent);
         },
 
         /**
diff --git a/app/code/Magento/Tax/view/frontend/web/template/checkout/summary/tax.html b/app/code/Magento/Tax/view/frontend/web/template/checkout/summary/tax.html
index 5f1ac86e38ffd..ab0effb9ff5c3 100644
--- a/app/code/Magento/Tax/view/frontend/web/template/checkout/summary/tax.html
+++ b/app/code/Magento/Tax/view/frontend/web/template/checkout/summary/tax.html
@@ -38,22 +38,24 @@
         <!-- ko foreach: rates -->
         <tr class="totals-tax-details">
             <!-- ko if: percent -->
-                <th class="mark" scope="row" data-bind="text: title + ' (' + percent + '%)'"></th>
+                <th class="mark" scope="row" data-bind="text: title + ' (' + $parents[1].formatTxt(percent) + '%)'"></th>
             <!-- /ko -->
             <!-- ko if: !percent -->
                 <th class="mark" scope="row" data-bind="text: title"></th>
             <!-- /ko -->
-            <td class="amount">
-                <!-- ko if: $parents[1].isCalculated() -->
-                <span class="price"
-                      data-bind="text: $parents[1].getTaxAmount($parents[0], percent), attr: {'data-th': title, 'rowspan': $parents[0].rates.length }"></span>
-                <!-- /ko -->
-                <!-- ko ifnot: $parents[1].isCalculated() -->
-                <span class="not-calculated"
-                      data-bind="text: $parents[1].getTaxAmount($parents[0], percent), attr: {'data-th': title, 'rowspan': $parents[0].rates.length }"></span>
-                <!-- /ko -->
-            </td>
+            <!-- ko if: $index() == 0 -->
+                <td class="amount">
+                    <!-- ko if: $parents[1].isCalculated() -->
+                    <span class="price"
+                          data-bind="text: $parents[1].formatPrice($parents[0].amount), attr: {'data-th': title, 'rowspan': $parents[0].rates.length }"></span>
+                    <!-- /ko -->
+                    <!-- ko ifnot: $parents[1].isCalculated() -->
+                    <span class="not-calculated"
+                          data-bind="text: $parents[1].formatPrice($parents[0].amount), attr: {'data-th': title, 'rowspan': $parents[0].rates.length }"></span>
+                    <!-- /ko -->
+                </td>
+            <!-- /ko -->
         </tr>
         <!-- /ko -->
     <!-- /ko -->
-<!-- /ko -->
+<!-- /ko -->
\ No newline at end of file