Percent Change

Front

What is percent change?

Back

Percent change is a measure of how much a quantity has increased or decreased relative to its original value, expressed as a percentage.

Front

How do you calculate percent decrease?

Back

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

Front

How do you calculate percent increase?

Back

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

Front

What is the formula for percent change?

Back

The formula for percent change is: (New Value - Original Value) / Original Value * 100.

Front

If a quantity decreases from 90 to 45, what is the percent decrease?

Back

The percent decrease is 50%.

Front

If a quantity increases from 13 to 14, what is the percent increase?

Back

The percent increase is 8%.

Front

Mary decreased her mile walk time from 30 minutes to 24 minutes. What is the percent decrease?

Back

The percent decrease is 20%.

Front

Mrs. Ciampa had 27 students last year and 30 this year. What is the percent change in students?

Back

The percent change is approximately 11%.

Front

John grew from 4 feet 11 inches to 5 feet 2 inches. What is the percent increase in his height?

Back

The percent increase is approximately 5%.

Front

What does rounding to the nearest percent mean?

Back

Rounding to the nearest percent means adjusting a decimal percentage to the closest whole number.