Percentage Calculator

calculadora de percentagem

In this page you can find several percentage calculators. Eight different calculators will be created, although they are all about percentages, each one can be used to solve a different type of problem. Choose the calculator that best suits the exercise you want to see solved. You can also see the resolution step by step, so you can learn the method of resolution.

Example 1: find the percentage of a quantity

I want to buy a bike that costs $340 and has a 20% discount. How much is the discount?

How much is % from
  

Step-by-step resolution of exercise 1

Example 2: find the percentage of a raise

My salary was $740, but increased to $820. What is the value of the percentage increase?

I had and now I have
  

Step-by-step resolution of exercise 2