diff --git a/src/shared/components/challenge-listing/Filters/FiltersPanel/index.jsx b/src/shared/components/challenge-listing/Filters/FiltersPanel/index.jsx
index 2b097830b7..68c534e371 100644
--- a/src/shared/components/challenge-listing/Filters/FiltersPanel/index.jsx
+++ b/src/shared/components/challenge-listing/Filters/FiltersPanel/index.jsx
@@ -267,7 +267,7 @@ export default function FiltersPanel({
     setRecommendedToggle(on);
 
     if (on) {
-      setSort('openForRegistration', 'updatedBy');
+      setSort('openForRegistration', 'bestMatch');
       setFilterState({ ..._.clone(filterState), types });
     } else {
       setFilterState({ ..._.clone(filterState), types: ['TSK', 'CH', 'F2F'] });
diff --git a/src/shared/components/challenge-listing/Listing/Bucket/index.jsx b/src/shared/components/challenge-listing/Listing/Bucket/index.jsx
index 86fa8dcb1b..a13e429c29 100644
--- a/src/shared/components/challenge-listing/Listing/Bucket/index.jsx
+++ b/src/shared/components/challenge-listing/Listing/Bucket/index.jsx
@@ -54,7 +54,7 @@ export default function Bucket({
   setSearchText,
 }) {
   const activeBucketData = isRecommendedChallengeType(bucket, filterState)
-    ? BUCKET_DATA[bucket].sorts : BUCKET_DATA[bucket].sorts.filter(item => item !== 'updatedBy');
+    ? BUCKET_DATA[bucket].sorts : BUCKET_DATA[bucket].sorts.filter(item => item !== 'bestMatch');
 
   let noLiveBucket = activeBucket;
   if (isRecommendedChallengeType(bucket, filterState)) {
diff --git a/src/shared/utils/challenge-listing/helper.js b/src/shared/utils/challenge-listing/helper.js
index acdfd03ba1..f88506e2ae 100644
--- a/src/shared/utils/challenge-listing/helper.js
+++ b/src/shared/utils/challenge-listing/helper.js
@@ -39,5 +39,5 @@ export function phaseStartDate(phase) {
  * @param {Float} score
  */
 export function calculateScore(score) {
-  return Math.trunc(Math.abs(score + 1.0) * 100.0 / 2.0);
+  return Math.trunc((parseFloat(score) + 1.0) / 2.0 * 100.0);
 }
diff --git a/src/shared/utils/challenge-listing/sort.js b/src/shared/utils/challenge-listing/sort.js
index 3ac75f6cfa..fbce202b88 100644
--- a/src/shared/utils/challenge-listing/sort.js
+++ b/src/shared/utils/challenge-listing/sort.js
@@ -4,6 +4,7 @@
 
 import moment from 'moment';
 import { sumBy } from 'lodash';
+import { calculateScore } from './helper';
 // import { phaseStartDate, phaseEndDate } from './helper';
 
 export const SORTS = {
@@ -19,7 +20,7 @@ export const SORTS = {
   REVIEW_OPPORTUNITIES_TITLE_A_TO_Z: 'review-opportunities-title-a-to-z',
   REVIEW_OPPORTUNITIES_PAYMENT: 'review-opportunities-payment',
   REVIEW_OPPORTUNITIES_START_DATE: 'review-opportunities-start-date',
-  BEST_MATCH: 'updatedBy',
+  BEST_MATCH: 'bestMatch',
 };
 
 export default {
@@ -100,8 +101,7 @@ export default {
     name: 'Review start date',
   },
   [SORTS.BEST_MATCH]: {
-    func: (a, b) => parseFloat(a.matchScore) - parseFloat(b.matchScore),
+    func: (a, b) => calculateScore(b.matchScore) - calculateScore(a.matchScore),
     name: 'Best Match',
-    order: 'asc',
   },
 };