Percent increase or decrease Classwork #2

Front

What is the formula to find the percent of change?

Back

Percent of Change = (New Value - Original Value) / Original Value * 100

Front

If a quantity increases from 41 to 82, what is the percent increase?

Back

100%

Front

What is the formula to calculate percent decrease?

Back

Percent Decrease = (Original Value - New Value) / Original Value * 100

Front

If a scooter's regular price is $65.50 and it is on sale for $52.40, what is the percent decrease?

Back

20%

Front

What does a percent increase of 100% mean?

Back

The new value is double the original value.

Front

If a student has 25 classmates and 2 are absent, what is the percent of change in attendance?

Back

8%

Front

What is the meaning of 'percent'?

Back

Percent means 'per hundred' and is used to express a number as a fraction of 100.

Front

How do you express a 50% increase in a quantity?

Back

The new quantity is 1.5 times the original quantity.

Front

What is the relationship between percent increase and percent decrease?

Back

Percent increase is calculated when a value rises, while percent decrease is calculated when a value falls.

Front

If a value decreases from 80 to 60, what is the percent decrease?

Back

25%