Intro to Percents

Front

What is a percent?

Back

A percent is a way to express a number as a fraction of 100. It is denoted by the symbol '%'.

Front

How do you convert a percent to a decimal?

Back

To convert a percent to a decimal, divide the percent by 100. For example, 15% = 15 ÷ 100 = 0.15.

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, 0.25 = 0.25 × 100 = 25%.

Front

What is 50% of 200?

Back

50% of 200 is 100. (50/100) × 200 = 100.

Front

What is 25% of 80?

Back

25% of 80 is 20. (25/100) × 80 = 20.

Front

How do you find the percent of a part compared to a whole?

Back

To find the percent of a part compared to a whole, divide the part by the whole and multiply by 100. (part/whole) × 100.

Front

What is 10 out of 50 as a percent?

Back

10 out of 50 is 20%. (10/50) × 100 = 20%.

Front

What is the formula to calculate percent change?

Back

Percent change = ((new value - old value) / old value) × 100.

Front

What is 17% as a fraction?

Back

17% as a fraction is 17/100.

Front

What is 5% as a decimal?

Back

5% as a decimal is 0.05.