Percent Increase and Decrease

Front

What is percent increase?

Back

Percent increase is a measure of how much a quantity has grown relative to its original amount, expressed as a percentage.

Front

How do you calculate percent increase?

Back

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

Front

What is percent decrease?

Back

Percent decrease is a measure of how much a quantity has shrunk relative to its original amount, expressed as a percentage.

Front

How do you calculate percent decrease?

Back

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

Front

If a population increases from 5000 to 6000, what is the percent increase?

Back

20%.

Front

If a student's grade decreases from 90% to 85%, what is the percent decrease?

Back

5%.

Front

If a car's price decreases from $20,000 to $16,000, what is the percent decrease?

Back

20%.

Front

If a company's stock price decreases from $100 to $80, what is the percent decrease?

Back

20%.

Front

If a student scores 75% on a test and then improves to 85%, what is the percent increase?

Back

13.33%.

Front

What is the formula for finding the new value after a percent increase?

Back

New Value = Original Value + (Original Value x Percent Increase / 100).