Percent Increase and 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 the percent change?

Back

Percent change is calculated by taking the difference between the new value and the original value, dividing by the original value, and then multiplying by 100.

Front

If a price goes from $30 to $45, what is the percent increase?

Back

Percent increase = ((45 - 30) / 30) x 100 = 50%.

Front

If a price goes from $50 to $40, what is the percent decrease?

Back

Percent decrease = ((50 - 40) / 50) x 100 = 20%.

Front

What does a percent change of 0% indicate?

Back

A percent change of 0% indicates that there has been no change in value.

Front

If attendance at an event increased from 1,000 to 1,200, what is the percent increase?

Back

Percent increase = ((1200 - 1000) / 1000) x 100 = 20%.

Front

If a shirt originally costs $20 and is now $15, what is the percent decrease?

Back

Percent decrease = ((20 - 15) / 20) x 100 = 25%.

Front

What is the formula for calculating percent change?

Back

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

Front

If a population decreases from 500 to 450, what is the percent decrease?

Back

Percent decrease = ((500 - 450) / 500) x 100 = 10%.