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 value, calculated as (New Value - Original Value) / Original Value x 100%.

Front

How do you calculate Percent Increase?

Back

Percent Increase is calculated using the formula: ((New Value - Original Value) / Original Value) x 100%.

Front

How do you calculate Percent Decrease?

Back

Percent Decrease is calculated using the formula: ((Original Value - New Value) / Original Value) x 100%.

Front

If the original cost is $50 and the new cost is $60, what is the percent change?

Back

Increase by 20%.

Front

If 72 people got a speeding ticket one week and 36 the next week, what is the percent change?

Back

Decrease by 50%.

Front

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

Back

Percent Decrease.

Front

If Mrs. Ciampa had 27 students last year and 30 this year, what is the percent change?

Back

11% increase.

Front

If you finished a level in 32 minutes last week and 28 minutes today, what is your percent change?

Back

Decrease by 12.5%.

Front

What does a positive percent change indicate?

Back

A positive percent change indicates an increase in value.

Front

What does a negative percent change indicate?

Back

A negative percent change indicates a decrease in value.