Percentage Calculator
Three percentage modes online: X% of Y, X is what % of Y, and percent change. Discounts and stats in one box.
Percentage calculator
% of
Result
30
How to use
- Paste input or drop a file above.
- Adjust options (delimiter, dialect, quality, ratio).
- Copy result or download — no sign-up needed.
FAQ
Percent change sign?
Positive = increase, negative = decrease, from the first number's perspective.
Divide by zero?
Flagged honestly instead of Infinity — check your inputs.