PERCENTS AND PERCENT OF CHANGE

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 the percent of increase?

Back

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

Front

What is 30% of 50?

Back

x = (.3)(50), x = 15.

Front

What is 125% of 84?

Back

x = (1.25)(84), x = 105.

Front

What is 42% of 65?

Back

x = (.42)(65), x = 27.3.

Front

How do you calculate tax on a purchase?

Back

Tax = Purchase Price x Tax Rate.

Front

What is the formula for finding the percent of change?

Back

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

Front

If a price increases from $50 to $75, what is the percent of increase?

Back

Percent of Increase = ((75 - 50) / 50) x 100 = 50%.

Front

What is 6.5% of $899?

Back

Tax = 899 x 0.065 = $58.43.

Front

How do you convert a fraction to a percent?

Back

Multiply the fraction by 100 and add a percent sign.