Review percent increase and decrease questions

Front

What is percent change?

Back

Percent change is a way to express a change in value as a percentage of the original value. It is calculated using 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

How do you calculate percent increase?

Back

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

Front

If the original price of an item is $50 and it is now $30, what is the percent decrease?

Back

Percent decrease = ((50 - 30) / 50) x 100 = 40%.

Front

If a shirt costs $20 and is marked down to $15, what is the percent decrease?

Back

Percent decrease = ((20 - 15) / 20) x 100 = 25%.

Front

What is the percent change if a population increases from 200 to 250?

Back

Percent increase = ((250 - 200) / 200) x 100 = 25%.

Front

If a product's price increases from $40 to $50, what is the percent increase?

Back

Percent increase = ((50 - 40) / 40) x 100 = 25%.

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

If a car's value decreases from $20,000 to $15,000, what is the percent decrease?

Back

Percent decrease = ((20000 - 15000) / 20000) x 100 = 25%.

Front

What is the formula for calculating markup percentage?

Back

Markup percentage = (markup amount / cost price) x 100.