Percentage calculator

The following percentage calculator will make it easy to solve some common percentage word problems. Read your problem carefully and just enter the problem into the most appropriate situation.

Percentage Calculator

% of ?
is what percent of ?
is % of what?
  • The first calculator or the one on top helps you the get the percentage of a number. For example, 4% of 200 is 8. Percentage: is in "x% of a number is"

  • The second calculator or the one in the middle help you to get the rate. In the example right above about 4% of 200 is 8, 4% is the rate. If you did not know the rate, then you will enter 8 is what percent of 200 to get the rate. Rate: x% in "x% of a number is"

  • The third calculator or the last one helps you to get the base, or the amount you are taking the percent of. In the example right above about 4% of 200 is 8, 200 is the base. If you did not know the base, then you will enter 8 is 4% of what. This means the same as 4% of what number is 8? Base: a number in "x% of a number is"

Percentage change calculator