Percent Increase/Decrease

Front

What is percent increase?

Back

Percent increase is the amount of increase expressed as a percentage of the original amount. It is calculated using the formula: ((New Value - Original Value) / Original Value) x 100.

Front

What is percent decrease?

Back

Percent decrease is the amount of decrease expressed as a percentage of the original amount. It is calculated using the formula: ((Original Value - New Value) / Original Value) x 100.

Front

How do you calculate percent change?

Back

Percent change can be calculated using the formula: ((New Value - Original Value) / Original Value) x 100. This formula can yield either a positive (increase) or negative (decrease) result.

Front

If a price goes from $50 to $30, what is the percent decrease?

Back

40% decrease.

Front

If a population increases from 200 to 250, what is the percent increase?

Back

25% increase.

Front

What does a 100% increase mean?

Back

A 100% increase means the new value is double the original value.

Front

What does a 50% decrease mean?

Back

A 50% decrease means the new value is half of the original value.

Front

If a student scores 70 on a test and then scores 90 on the next test, what is the percent increase in their score?

Back

28.57% increase.

Front

If a car's value drops from $20,000 to $15,000, what is the percent decrease?

Back

25% decrease.

Front

What is the formula for calculating percent change?

Back

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