Tool Hub

Percentage Calculator

% 4 operations (X of Y · N% of X · ±% · change rate)

X is what % of Y?

Result (%)

25

N% of X

Result

12

Increase / Decrease X by N%

Increased

120

Decreased

80

% change from A to B

Result (%)

25

How to use

  1. Use the first card to answer 'X is what percent of Y?' by filling in X and Y.
  2. Use the second card to calculate N% of X by entering the percentage and the base value.
  3. Use the third card to increase or decrease X by N% and see both results side by side.
  4. Use the fourth card to find the percentage change from A to B.

Examples

  • In card 1, entering X=45 and Y=180 shows 25% — 45 is 25% of 180.
  • In card 4, entering A=80 and B=100 shows a 25% increase from 80 to 100.

Verify outputs before using in production. No warranty — see Terms.