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 amount, 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

What is the percent increase from 13 to 14?

Back

8%.

Front

What is the percent increase from $5 to $8?

Back

60%.

Front

What is the percent decrease from $65.50 to $52.40?

Back

20%.

Front

What is the percent change from 27 to 30 students?

Back

11%.

Front

What is the percent increase from 32 to 45 people?

Back

41%.

Front

If a price goes from $100 to $80, what is the percent decrease?

Back

20%.

Front

If a population increases from 200 to 250, what is the percent increase?

Back

25%.