7th Percent Change

Front

What is percent change?

Back

Percent change is a way to express a change in value as a percentage of the original value. It is calculated using the formula: ((New Value - Original Value) / Original Value) x 100.

Front

How do you calculate the percent increase?

Back

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

Front

How do you calculate the percent decrease?

Back

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

Front

What is the formula for calculating the final price after a discount?

Back

Final Price = Original Price - (Discount Percentage x Original Price).

Front

If an item costs $50 and is on sale for $40, what is the percent decrease?

Back

Percent Decrease = ((50 - 40) / 50) x 100 = 20%.

Front

If a student scores 70 out of 100 on a test, what is the percent score?

Back

Percent Score = (Score / Total Points) x 100 = (70 / 100) x 100 = 70%.

Front

What is a 25% discount on a $40 item?

Back

Discount = 25% of 40 = 0.25 x 40 = $10. Final Price = 40 - 10 = $30.

Front

If a salary increases from $10 to $12, what is the percent increase?

Back

Percent Increase = ((12 - 10) / 10) x 100 = 20%.

Front

What is the percent change if the number of apples increases from 5 to 8?

Back

Percent Change = ((8 - 5) / 5) x 100 = 60%.

Front

If a purse originally costs $25 and is now $15, what is the percent decrease?

Back

Percent Decrease = ((25 - 15) / 25) x 100 = 40%.