Percentage Increase / Decrease Calculator

Quickly calculate the percentage change between two values, and see whether it's an increase or decrease. You can also apply a percentage change to a starting value to find the new amount.

Find percent change between two values

Original value

New value

Enter an original value and a new value, then tap “Calculate Percentage Change”.

Apply a percentage increase or decrease

Starting value

Percentage change (%)

Use a positive number for an increase (e.g. 15) and a negative number for a decrease (e.g. -10).

Enter a starting value and a percentage (positive or negative), then tap “Apply Percentage Change”.

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