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 the percent increase?

Back

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

Front

How do you calculate the percent decrease?

Back

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

Front

If a price increases from $100 to $125, what is the percent of change?

Back

25% increase.

Front

If a test time changes from 20 minutes to 42 minutes, what is the percent of change?

Back

110% increase.

Front

If the number of speeding tickets decreases from 72 to 36, what is the percent of change?

Back

50% decrease.

Front

If a dog's weight decreases from 62 pounds to 51 pounds, what is the percent change?

Back

17.74% decrease.

Front

If school enrollment increases from 465 to 525 students, what is the percent of increase?

Back

13% increase.

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.

Front

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

Back

New Value = Original Value x (1 + Percent Increase/100).