diff --git a/src/components/charts/overall/cases/ChipsCases.vue b/src/components/charts/overall/cases/ChipsCases.vue
index c8338e56e..5083ec175 100644
--- a/src/components/charts/overall/cases/ChipsCases.vue
+++ b/src/components/charts/overall/cases/ChipsCases.vue
@@ -90,7 +90,7 @@ const chips = reactive({
     const yesterday = col(data, data.value.rows.at(-2), 'cases')
     const change = today - yesterday
 
-    const percent = (change / Math.abs(prev)) * 100
+    const percent = (change / Math.abs(yesterday)) * 100
 
     if (Math.abs(percent) === Infinity) return 100
     if (isNaN(percent)) return 0
@@ -127,7 +127,7 @@ const chips = reactive({
     const yesterday = today - col(data, data.value.rows.at(-1), 'cases')
     const change = today - yesterday
 
-    const percent = (change / Math.abs(prev)) * 100
+    const percent = (change / Math.abs(yesterday)) * 100
 
     if (Math.abs(percent) === Infinity) return 100
     if (isNaN(percent)) return 0
diff --git a/src/components/charts/overall/hospitalizations/ChipsHospitalizations.vue b/src/components/charts/overall/hospitalizations/ChipsHospitalizations.vue
index aa850cde2..448594c80 100644
--- a/src/components/charts/overall/hospitalizations/ChipsHospitalizations.vue
+++ b/src/components/charts/overall/hospitalizations/ChipsHospitalizations.vue
@@ -67,7 +67,7 @@ const chips = reactive({
     const yesterday = col(data, data.value.rows.at(-2), 'hospitalizations')
     const change = today - yesterday
 
-    const percent = (change / Math.abs(prev)) * 100
+    const percent = (change / Math.abs(yesterday)) * 100
 
     if (Math.abs(percent) === Infinity) return 100
     if (isNaN(percent)) return 0
diff --git a/src/components/charts/summary/ChipsSummary.vue b/src/components/charts/summary/ChipsSummary.vue
index c97ad83f6..6e2cae2a5 100644
--- a/src/components/charts/summary/ChipsSummary.vue
+++ b/src/components/charts/summary/ChipsSummary.vue
@@ -122,7 +122,7 @@ const chips = reactive({
     const yesterday = col(data.value.testing, data.value.testing.prev, 'combined_performed')
     const change = today - yesterday
 
-    const percent = (change / Math.abs(prev)) * 100
+    const percent = (change / Math.abs(yesterday)) * 100
 
     if (Math.abs(percent) === Infinity) return 100
     if (isNaN(percent)) return 0
@@ -157,7 +157,7 @@ const chips = reactive({
     const yesterday = col(data.value.cases, data.value.cases.prev, 'cases')
     const change = today - yesterday
 
-    const percent = (change / Math.abs(prev)) * 100
+    const percent = (change / Math.abs(yesterday)) * 100
 
     if (Math.abs(percent) === Infinity) return 100
     if (isNaN(percent)) return 0
@@ -186,7 +186,7 @@ const chips = reactive({
     const yesterday = col(data.value.deaths, data.value.deaths.prev, 'deaths')
     const change = today - yesterday
 
-    const percent = (change / Math.abs(prev)) * 100
+    const percent = (change / Math.abs(yesterday)) * 100
 
     if (Math.abs(percent) === Infinity) return 100
     if (isNaN(percent)) return 0