Math

Percentage Difference Calculator

Find the percentage difference between two values.

Calculated Output

Percentage difference (%) 40

Formula: |a − b| ÷ ((a + b)/2) × 100

Step-by-Step Breakdown

1. Values used:

2. Value 1 = 40

3. Value 2 = 60

5. Percentage difference = 40%

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The math behind it

percentage difference = |a − b| ÷ average(a, b) × 100.

40 vs 60 → 20 ÷ 50 × 100 = 40%.

Difference vs change?

Change has a fixed starting reference; difference uses the average of both.