🧮 Everyday Calculators
Percentage Change Calculator
Calculate the percentage increase or decrease between two values.
Ready to use · Runs in your browser · No signup
Increase of 25.
How to use the Percentage Change Calculator
Compare an original value with a new value to find the relative percentage increase or decrease.
- Subtract the starting value from the new value.
- Divide the difference by the absolute starting value.
- Multiply by 100 to express the change as a percentage.
Last reviewed for accuracy:
Common questions
Why can the starting value not be zero?
Percentage change divides by the starting value, so a zero starting value makes the standard percentage-change formula undefined.