Percents

Front

What is a percent?

Back

A percent is a way of expressing a number as a fraction of 100. It is denoted by the symbol '%'. For example, 50% means 50 out of 100.

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 then multiply by 100. For example, 1/4 = (1 ÷ 4) × 100 = 25%.

Front

How do you convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100. For example, 0.75 = 0.75 × 100 = 75%.

Front

What is 50% of a number?

Back

50% of a number is half of that number. For example, 50% of 80 is 40.

Front

What is 100% of a number?

Back

100% of a number is the whole number itself. For example, 100% of 50 is 50.

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 relationship between fractions, decimals, and percents?

Back

Fractions, decimals, and percents are different ways to represent the same value. For example, 1/2 = 0.5 = 50%.

Front

How do you compare two percentages?

Back

To compare two percentages, convert them to the same form (either both to decimals or both to fractions) and then compare their values.

Front

What is the formula to calculate percentage increase?

Back

Percentage increase = ((New Value - Original Value) / Original Value) × 100.

Front

What is the formula to calculate percentage decrease?

Back

Percentage decrease = ((Original Value - New Value) / Original Value) × 100.