Percent Proportion

Front

What is Percent Proportion?

Back

Percent proportion is a way to express a number as a fraction of 100. It is often used to compare a part to 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 24% of 135, calculate 135 * 0.24.

Front

What is the formula for finding the percent of a total?

Back

The formula is: (Part/Whole) x 100 = Percent.

Front

If a team won 63 out of 84 games, how do you find the winning percentage?

Back

Use the formula: (63/84) x 100 = 75%.

Front

How do you find the number of days it was sunny if it was sunny 83% of 30 days?

Back

Calculate: 30 * 0.83 = 24.9, round to 25 days.

Front

What does a 30% discount mean?

Back

A 30% discount means you pay 70% of the original price.

Front

If you save $14.40 with a 30% off coupon, how do you find the original price?

Back

Use the formula: Original Price = Savings / Discount Rate. Here, Original Price = 14.40 / 0.30 = $48.00.

Front

What is the relationship between fractions and percentages?

Back

Fractions can be converted to percentages by multiplying by 100. For example, 1/4 = 0.25 = 25%.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide by 100. For example, 75% = 0.75.

Front

What is the percent increase formula?

Back

Percent Increase = ((New Value - Old Value) / Old Value) x 100.