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 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 a shirt's price goes from $20 to $25, what is the percent increase?

Back

Percent Increase = (25 - 20) / 20 x 100% = 25%.

Front

If a car's value drops from $15,000 to $12,000, what is the percent decrease?

Back

Percent Decrease = (15,000 - 12,000) / 15,000 x 100% = 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 population increases from 1,000 to 1,500, what is the percent increase?

Back

Percent Increase = (1,500 - 1,000) / 1,000 x 100% = 50%.

Front

If a book's price decreases from $30 to $24, what is the percent decrease?

Back

Percent Decrease = (30 - 24) / 30 x 100% = 20%.

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.