Percent Change

Front

What is Percent Change?

Back

Percent Change is a way to express how much a quantity has increased or decreased relative to its original amount, usually expressed as a percentage.

Front

How do you calculate Percent Increase?

Back

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

Front

How do you calculate Percent Decrease?

Back

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

Front

If the original price of an item is $50 and the new price is $60, what is the percent increase?

Back

Increase 20%.

Front

If the original number of students is 465 and the new number is 525, what is the percent increase?

Back

Increase 13%.

Front

If the original number of speeding tickets was 72 and it decreased to 36, what is the percent decrease?

Back

Decrease 50%.

Front

What is the percent change if a coat originally priced at $90 is now $72?

Back

Decrease 20%.

Front

What does a percent change of 0% indicate?

Back

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

Front

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

Back

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

Front

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

Back

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