diff --git a/src/components/Discover/Conformance/ConformanceResults.vue b/src/components/Discover/Conformance/ConformanceResults.vue
index 02f6727..bafe91c 100644
--- a/src/components/Discover/Conformance/ConformanceResults.vue
+++ b/src/components/Discover/Conformance/ConformanceResults.vue
@@ -367,12 +367,12 @@ export default {
           time: {
             conforming: isNullTime(data.effect.time.conforming),
             not_conforming: isNullTime(data.effect.time.not_conforming),
-            difference: isNullTime(data.effect.time.conforming - data.effect.time.not_conforming),
+            difference: (isNullTime(data.effect.time.conforming) - isNullTime(data.effect.time.not_conforming)).toFixed(1),
           },
           tasks: {
             conforming: isNullCase(data.effect.tasks.conforming),
             not_conforming: isNullCase(data.effect.tasks.not_conforming),
-            difference: isNullCase(data.effect.tasks.conforming - data.effect.tasks.not_conforming),
+            difference: (isNullCase(data.effect.tasks.conforming) - isNullCase(data.effect.tasks.not_conforming)).toFixed(1),
           },
         },
         loops: isNullLoops(data.loops),