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Percentage Difference Calculator
This calculator measures the difference between two values as a percentage of their average. It is useful for scientific comparisons, prices, statistics and reporting.
Frequently Asked Questions
No. Percentage difference uses the average of both values as the reference, while percentage change typically uses the initial value as the reference.
How this calculator works
Formula explanation
**Formula:** Percentage Difference = |A − B| / ((A + B)/2) × 100
Worked example
**Example:** A = 120, B = 150. Absolute difference = 30. Percentage difference = 22.22%.
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