Frequently asked questions
Is anything uploaded?
No. All percentage calculations run live in your browser with nothing uploaded, and it works offline.
What can it work out?
The percent of a number, what percentage one number is of another, the percentage change between two numbers, and increasing a number by a percentage.
How is percentage change calculated?
As the difference between the two values divided by the original value, times 100. A positive result is an increase and a negative result is a decrease.
Can I use decimals?
Yes. Enter any decimal values and the results update instantly.
Does it work on mobile?
Yes. It is fully responsive and works in any modern mobile browser.