Percent Increase and Decrease

Front

What is percent increase?

Back

Percent increase is a measure of how much a quantity has grown relative to its original amount, expressed as a percentage.

Tags

CCSS.6.RP.A.3C

Front

How do you calculate percent increase?

Back

Percent Increase = ((New Value - Original Value) / Original Value) x 100.

Tags

CCSS.6.RP.A.3C

Front

What is percent decrease?

Back

Percent decrease is a measure of how much a quantity has shrunk relative to its original amount, expressed as a percentage.

Tags

CCSS.6.RP.A.3C

Front

How do you calculate percent decrease?

Back

Percent Decrease = ((Original Value - New Value) / Original Value) x 100.

Tags

CCSS.6.RP.A.3C

Front

If a number increases from 50 to 75, what is the percent increase?

Back

Percent Increase = ((75 - 50) / 50) x 100 = 50%.

Tags

CCSS.6.RP.A.3C

Front

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

Back

Percent Decrease = ((200 - 150) / 200) x 100 = 25%.

Tags

CCSS.6.RP.A.3C

Front

What does it mean if a value has increased by 100%?

Back

It means the value has doubled.

Front

What does it mean if a value has decreased by 50%?

Back

It means the value is now half of the original amount.

Front

If a student scored 60 out of 80 on a test, what is the percent score?

Back

Percent Score = (60 / 80) x 100 = 75%.

Front

If a price goes from $40 to $30, what is the percent decrease?

Back

Percent Decrease = ((40 - 30) / 40) x 100 = 25%.

Tags

CCSS.6.RP.A.3C