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 value, calculated as (new value - original value) / original value * 100.

Front

How do you calculate percent decrease?

Back

Percent decrease is calculated using the formula: ((original value - new value) / original value) * 100.

Front

How do you calculate percent increase?

Back

Percent increase is calculated using the formula: ((new value - original value) / original value) * 100.

Front

If the original cost is $5 and the new cost is $1, what is the percent change?

Back

Decrease 80%.

Front

If the original price of an item is $5 and it increases to $8, what is the percent increase?

Back

60%.

Front

What is the percent change if 72 people received speeding tickets one week and 36 the next week?

Back

Decrease 50%.

Front

If a coat originally priced at $90 is now $72, what is the percent change in price?

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 value.

Front

What is the formula for calculating percent change?

Back

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

Front

If a population increases from 200 to 300, what is the percent increase?

Back

50%.