Finance
Percentage Increase Calculator
Compare an old value and a new value to see the percentage change.
Inputs
Results
Result
Enter values to calculate.
Your result explanation will appear here.
Useful next checks
- Compare a few scenarios before making a decision.
- Check rates, fees, tax, and timing outside the estimate.
- Use the explanation below to understand the formula.
Intro
Use this percentage increase calculator to compare an original value and a new value.
How it works
Enter the original value and the new value. The calculator shows the absolute change and the percentage change.
Formula
Percentage change is (new value - original value) / original value x 100.
Example calculation
If a value rises from 80 to 100, the increase is 20 and the percentage increase is 25%.
FAQs
- A negative result means the value decreased.
- Percentage change from zero is undefined.
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Frequently asked questions
Can it show a decrease?
Yes. If the new value is lower, the result is shown as a decrease.
What if the original value is zero?
A percentage change from zero is undefined, so the calculator asks for a non-zero original value.