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 Value - Original Value) / Original Value x 100%.

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 a shirt costs $40 and is now $50, what is the percent increase?

Back

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

Front

If a bike was $200 and is now $150, what is the percent decrease?

Back

Percent Decrease = (200 - 150) / 200 x 100% = 25%.

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).

Front

If the enrollment at a school increased from 300 to 360, what is the percent increase?

Back

Percent Increase = (360 - 300) / 300 x 100% = 20%.

Front

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

Back

Percent Decrease = (20,000 - 15,000) / 20,000 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 the value.