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 Decrease?

Back

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

Front

How do you calculate Percent Increase?

Back

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

Front

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

Back

20% increase.

Front

If the original value is 32 and the new value is 28, what is the percent decrease?

Back

12.5% decrease.

Front

What is the percent change from 75 people to 25 people?

Back

67% decrease.

Front

If the number of dogs decreased from 20 to 5, what is the percent decrease?

Back

75% decrease.

Front

What does a percent increase indicate?

Back

A percent increase indicates that the new value is greater than the original value.

Front

What does a percent decrease indicate?

Back

A percent decrease indicates that the new value is less than the original value.

Front

How do you round a percent change to the nearest tenth?

Back

Look at the hundredths place; if it's 5 or more, round up the tenths place by one.