Percentage Change Calculator
Calculate the percentage increase or decrease between two numbers.
Result
Results are estimates for general information only and are not professional advice.
Percentage change
The percentage change between an old and new value is (new − old) ÷ |old| × 100. A positive result is an increase and a negative result is a decrease. It is widely used for prices, statistics and growth rates.
Frequently Asked Questions
What is the Percentage Change Calculator?
Calculate the percentage increase or decrease between two numbers. It runs instantly in your browser and is completely free.
Is the Percentage Change Calculator free and does it require signup?
Yes. Every calculator on Calculatis is 100% free with no registration, and the values you enter are never stored.
How accurate is the Percentage Change Calculator?
It uses standard, widely-accepted formulas. Results are reliable estimates for general use and are not a substitute for professional advice.