Percent Change

Front

What is percent change?

Back

Percent change is a way to express how much a quantity has increased or decreased in relation to its original value, calculated as (new value - original value) / original value x 100%.

Front

How do you calculate percent increase?

Back

To calculate percent increase, use the formula: ((new value - original value) / original value) x 100%.

Front

How do you calculate percent decrease?

Back

To calculate percent decrease, use the formula: ((original value - new value) / original value) x 100%.

Front

If a class size increased from 27 to 30, what is the percent change?

Back

11% increase.

Front

If a purse's price changed from $45 to $54, what is the percent change?

Back

20% increase.

Front

If a camera's price dropped from $50 to $38, what is the percent change?

Back

24% decrease.

Front

What is the percent increase from $5 to $8?

Back

60% increase.

Front

If Susie's hourly wage increased from $8.75 to $9.50, what is the percent change?

Back

9% increase.

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 calculating percent change?

Back

Percent Change = ((new value - original value) / original value) x 100%.