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 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 the original number is 50 and the new number is 60, what is the percent increase?

Back

20%.

Front

If the original number is 100 and the new number is 80, what is the percent decrease?

Back

20%.

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 a product's price increases from $20 to $25, what is the percent change?

Back

25% increase.

Front

If a population decreases from 200 to 150, what is the percent change?

Back

25% decrease.

Front

What does a percent change of 0% indicate?

Back

It indicates that there has been no change in value.