Percents, Percents, 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 percent decrease?

Back

Percent decrease = ((Original Price - Sale Price) / Original Price) x 100.

Front

How do you calculate percent increase?

Back

Percent increase = ((New Value - Original Value) / Original Value) x 100.

Front

What is the formula to find a percentage of a number?

Back

Percentage of a number = (Percent / 100) x Total Number.

Front

What is the percent change formula?

Back

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

Front

If a price decreases from $65.50 to $52.40, what is the percent decrease?

Back

20%.

Front

If a class size increases from 27 to 30, what is the percent change?

Back

11%.

Front

If sales increase from 10,000 to 18,500, what is the percent increase?

Back

85%.

Front

If attendance decreases from 250 to 195, what is the percent decrease?

Back

22%.

Front

What is 23% of 65?

Back

14.95.