Percent of Change

Front

What is Percent of Change?

Back

Percent of Change is a way to express how much a quantity has increased or decreased in relation to its original amount, calculated as (New Amount - Original Amount) / Original Amount x 100%.

Front

How do you calculate Percent Increase?

Back

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

Front

How do you calculate Percent Decrease?

Back

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

Front

If the original amount is 10 and the new amount is 12, what is the percent change?

Back

20%.

Front

If Ann's hourly wage increased from $10.00 to $12.00, what is the percent of change?

Back

Increase 20%.

Front

If 72 people received speeding tickets one week and 36 the next week, what is the percent change?

Back

Decrease 50%.

Front

What is the percent change if the price of sneakers increased from $90 to $135?

Back

50%.

Front

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

Back

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 quantity.

Front

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

Back

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