Percent Change

Front

What is percent change?

Back

Percent change is a way to express how much a quantity has increased or decreased in relation to its original value, calculated as (new value - old value) / old value × 100%.

Front

How do you calculate percent increase?

Back

To calculate percent increase, use the formula: ((new value - old value) / old value) × 100%.

Front

How do you calculate percent decrease?

Back

To calculate percent decrease, use the formula: ((old value - new value) / old value) × 100%.

Front

Find the percent increase from 13 friends to 14 friends.

Back

8%.

Front

Find the percent decrease from 90 points to 45 points.

Back

50%.

Front

Find the percent increase from $5 to $8.

Back

60%.

Front

Find the percent decrease from $80 to $64.

Back

20%.

Front

If Mr. Serfass has 25 students and 2 are absent, what is the percent change?

Back

8%.

Front

What does a percent increase indicate?

Back

A percent increase indicates how much a quantity has grown compared to its original amount.

Front

What does a percent decrease indicate?

Back

A percent decrease indicates how much a quantity has shrunk compared to its original amount.