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 $120, what is the percent of change?

Back

20% increase.

Front

If a price decreases from $13 to $9, what is the percent of change?

Back

31% decrease.

Front

What is the percent change if a school's population increases from 1250 to 2000?

Back

60% increase.

Front

What is the percent change in fuel price from $1.09 to $1.89?

Back

73% increase.

Front

If a distance decreases from 68 miles to 42.5 miles, what is the percent of change?

Back

Decrease.

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.