percent increase and decrease

Front

What is percent increase?

Back

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

Front

What is percent decrease?

Back

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

Front

How do you calculate percent change?

Back

Percent change is calculated using the formula: (New Value - Original Value) / Original Value x 100%.

Front

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

Back

50% increase.

Front

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

Back

25% decrease.

Front

What does a 100% increase mean?

Back

A 100% increase means the new value is double the original value.

Front

What does a 50% decrease mean?

Back

A 50% decrease means the new value is half of the original value.

Front

If a student scores 80 on a test and then scores 90 on the next test, what is the percent increase in their score?

Back

12.5% increase.

Front

If a car's value drops from $20,000 to $15,000, what is the percent decrease?

Back

25% decrease.

Front

What is the original value if the new value is $60 after a 20% increase?

Back

$50.