diff --git a/superset-frontend/plugins/plugin-chart-echarts/src/BigNumber/BigNumberWithTrendline/transformProps.test.ts b/superset-frontend/plugins/plugin-chart-echarts/src/BigNumber/BigNumberWithTrendline/transformProps.test.ts
index c07a8b9477b..ada72d61369 100644
--- a/superset-frontend/plugins/plugin-chart-echarts/src/BigNumber/BigNumberWithTrendline/transformProps.test.ts
+++ b/superset-frontend/plugins/plugin-chart-echarts/src/BigNumber/BigNumberWithTrendline/transformProps.test.ts
@@ -194,4 +194,38 @@ describe('BigNumberWithTrendline transformProps', () => {
     );
     expect(result.headerFormatter.format(500)).toBe('$500');
   });
+
+  it('should use last data point for comparison when big number comes from aggregated data', () => {
+    const chartProps = {
+      width: 500,
+      height: 400,
+      queriesData: [
+        {
+          data: [
+            { __timestamp: 3, value: 150 },
+            { __timestamp: 2, value: 100 },
+            { __timestamp: 1, value: 110 },
+          ] as unknown as BigNumberDatum[],
+          colnames: ['__timestamp', 'value'],
+          coltypes: ['TEMPORAL', 'NUMERIC'],
+        },
+        {
+          data: [{ value: 360 }],
+          colnames: ['value'],
+          coltypes: ['NUMERIC'],
+        },
+      ],
+      formData: { ...baseFormData, aggregation: 'SUM' },
+      rawFormData: baseRawFormData,
+      hooks: baseHooks,
+      datasource: baseDatasource,
+      theme: { colors: { grayscale: { light5: '#eee' } } },
+    };
+
+    const result = transformProps(
+      chartProps as unknown as BigNumberWithTrendlineChartProps,
+    );
+    expect(result.bigNumber).toBe(360);
+    expect(result.subheader).toBe('50.0% WoW');
+  });
 });
diff --git a/superset-frontend/plugins/plugin-chart-echarts/src/BigNumber/BigNumberWithTrendline/transformProps.ts b/superset-frontend/plugins/plugin-chart-echarts/src/BigNumber/BigNumberWithTrendline/transformProps.ts
index a5576074a15..b59e2803c36 100644
--- a/superset-frontend/plugins/plugin-chart-echarts/src/BigNumber/BigNumberWithTrendline/transformProps.ts
+++ b/superset-frontend/plugins/plugin-chart-echarts/src/BigNumber/BigNumberWithTrendline/transformProps.ts
@@ -157,11 +157,13 @@ export default function transformProps(
   if (compareLag > 0 && sortedData.length > 0) {
     const compareIndex = compareLag;
     if (compareIndex < sortedData.length) {
-      const compareValue = sortedData[compareIndex][1];
+      const compareFromValue = sortedData[compareIndex][1];
+      const compareToValue = sortedData[0][1];
       // compare values must both be non-nulls
-      if (bigNumber !== null && compareValue !== null) {
-        percentChange = compareValue
-          ? (Number(bigNumber) - compareValue) / Math.abs(compareValue)
+      if (compareToValue !== null && compareFromValue !== null) {
+        percentChange = compareFromValue
+          ? (Number(compareToValue) - compareFromValue) /
+            Math.abs(compareFromValue)
           : 0;
         formattedSubheader = `${formatPercentChange(
           percentChange,