Price change calculator
Enter the before and after prices to get the percent increase or decrease.
Result
A price rising from $40 to $50 is a 25% increase; falling from $50 to $40 is a 20% decrease.
Example
Calculate the percentage change between two prices in your browser. Values stay on your device.
A price rising from $40 to $50 is a 25% increase; falling from $50 to $40 is a 20% decrease.
Processed locally in your browser.
Methodology
Change % = (after − before) / before × 100. Positive is an increase, negative a decrease.
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