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 Amount - Original Amount) / Original Amount x 100%.

Front

How do you calculate percent increase?

Back

To calculate percent increase, use the formula: (New Amount - Original Amount) / Original Amount x 100%.

Front

How do you calculate percent decrease?

Back

To calculate percent decrease, use the formula: (Original Amount - New Amount) / Original Amount x 100%.

Front

If the original amount is 50 and the new amount is 75, what is the percent increase?

Back

50% (calculated as (75-50)/50 x 100%).

Front

If the original amount is 80 and the new amount is 60, what is the percent decrease?

Back

25% (calculated as (80-60)/80 x 100%).

Front

What is the percent change when the original amount is 20 and the new amount is 25?

Back

25% (calculated as (25-20)/20 x 100%).

Front

What is the percent change when the original amount is 100 and the new amount is 50?

Back

50% (calculated as (50-100)/100 x 100%).

Front

If a price increases from $10 to $15, what is the percent increase?

Back

50% (calculated as (15-10)/10 x 100%).

Front

If a population decreases from 200 to 150, what is the percent decrease?

Back

25% (calculated as (200-150)/200 x 100%).

Front

What is the formula for calculating percent change?

Back

Percent Change = (New Amount - Original Amount) / Original Amount x 100%.