6-4 Percent of Change (absent/late)

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 a percent increase?

Back

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

Front

How do you calculate a percent decrease?

Back

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

Front

What is the percent change when Ricky's math score goes from 80 to 90?

Back

12.5% increase.

Front

What is the percent change in the price of unleaded fuel from $1.09 to $1.89?

Back

73% increase.

Front

If a podcast had 3860 listeners and experienced a 20% decrease, how many listeners were there on the second day?

Back

3,088 listeners.

Front

What is the percent change when the number of songs in a playlist increases from 15 to 105?

Back

600% increase.

Front

What is the percent change in Mary's weight if she goes from 180 pounds to 150 pounds?

Back

17% decrease.

Front

What does a 600% increase mean in practical terms?

Back

It means the new value is 6 times greater than the original value.

Front

What does a 17% decrease indicate?

Back

It indicates that the new value is 83% of the original value.