Calculators
Percentage change calculator
Calculate the percentage increase or decrease between two values.
Free to use · Runs in your browser · No signup
This tool works in your browser. Enable JavaScript to select files and create your download.
How to use Percentage change calculator
- Enter the starting value.
- Enter the new value.
- Read the percentage increase or decrease.
What you need
Nothing to upload. Type or paste directly into the tool; results update as you go.
Your result
The percentage change and the difference.
Before you start
A change from zero has no percentage. A decrease of 50% followed by an increase of 50% does not return to the original value.
Questions about Percentage change calculator
How do I use Percentage change calculator?
Enter the starting value. Enter the new value. Read the percentage increase or decrease.
What does Percentage change calculator produce?
The percentage change and the difference.
What should I check before using Percentage change calculator?
A change from zero has no percentage. A decrease of 50% followed by an increase of 50% does not return to the original value.
Is what I type sent anywhere?
No. The calculation runs in your browser, and the text or numbers you enter are not uploaded or stored.