percent increase and decrease

Front

What is the formula to calculate percent increase?

Back

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

Front

What is the formula to calculate percent decrease?

Back

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

Front

If a price decreases from $50 to $30, what is the percent decrease?

Back

40% decrease

Front

If a population increases from 200 to 250, what is the percent increase?

Back

25% increase

Front

What does it mean when we say there is a 'percent change'?

Back

Percent change refers to the difference between the original value and the new value expressed as a percentage of the original value.

Front

How do you interpret a 50% decrease in a quantity?

Back

It means the quantity has been reduced to half of its original amount.

Front

What is the significance of a negative percent change?

Back

A negative percent change indicates a decrease in value.

Front

What is the significance of a positive percent change?

Back

A positive percent change indicates an increase in value.

Front

If a student scores 80 out of 100 on a test and then scores 90 out of 100 on the next test, what is the percent increase in their score?

Back

12.5% increase

Front

What is a discount in terms of percent change?

Back

A discount represents a percent decrease from the original price.