Basic Percentages

Front

What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100. It is often used to compare proportions.

Front

How do you convert a decimal to a percentage?

Back

To convert a decimal to a percentage, multiply the decimal by 100 and add a percent sign (%). For example, 0.3 becomes 30%.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 30% becomes 0.3.

Front

What is 10% of a number?

Back

To find 10% of a number, divide the number by 10. For example, 10% of 50 is 5.

Front

What is 50% of a number?

Back

To find 50% of a number, divide the number by 2. For example, 50% of 80 is 40.

Front

What is 25% of a number?

Back

To find 25% of a number, divide the number by 4. For example, 25% of 100 is 25.

Front

How do you find a percentage of a number?

Back

To find a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 20% of 50, calculate 50 * 0.20 = 10.

Front

What is the formula to calculate percentage?

Back

The formula to calculate percentage is: (Part/Whole) * 100.

Front

What is 6% of 80?

Back

4.8

Front

What is 17% of 23?

Back

3.91