Calculate Percentage Change

Calculate the percentage increase or decrease between two values.

Original Value

New Value

Percentage Change

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Absolute Difference

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The Methodology

((New - Old) / |Old|) * 100

This tool uses the verified professional formula shown above. We cite our sources so you can trust every result.

How it works

This tool calculates the relative difference between an original value and a new value. If the new value is higher, it's an increase; if lower, it's a decrease. The formula used is: (New Value - Old Value) / |Old Value| * 100.