# 100 is what percent of 500?

Answer: 100 is 20 percent of 500

## Fastest method for calculating 100 is what percent of 500

Assume the unknown value is 'Y', and 100 of 500 can be written as:

Y = 100 / 500

By multiplying both numerator and denominator by 100 we will get:

Y = 100 / 500 x 100 / 100 = 20 / 100

Y = 20%

Answer: 100 is 20 percent of 500

If you want to use a calculator, simply enter 100÷500x100 and you will get your answer which is 20

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## Have time and want to learn the details?

Let's solve the equation for Y by first rewriting it as: 100% / 500 = Y% / 100

Drop the percentage marks to simplify your calculations: 100 / 500 = Y / 100

Multiply both sides by 100 to isolate Y on the right side of the equation: 100 ( 100 / 500 ) = Y

Computing the left side, we get: 20 = Y

This leaves us with our final answer: 100 is 20 percent of 500