Percents

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

Front

How do you calculate a percentage of a number?

Back

To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 15% of 82, calculate 82 * 0.15.

Front

What is the formula to find the percentage increase?

Back

Percentage Increase = ((New Value - Original Value) / Original Value) * 100.

Front

What is the formula to find the percentage decrease?

Back

Percentage Decrease = ((Original Value - New Value) / Original Value) * 100.

Front

What is 15% of 82?

Back

12.3

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the numerator by the denominator and multiply by 100.

Front

What is 98% of 254?

Back

248.92

Front

How do you find the original value when given a percentage and the new value?

Back

Original Value = New Value / (1 + (Percentage Increase / 100)) for increase, or Original Value = New Value / (1 - (Percentage Decrease / 100)) for decrease.

Front

What is 33% of 50?

Back

16.5

Front

What does it mean if a price increases by 121%?

Back

It means the new price is 221% of the original price (100% original + 121% increase).