Percent of Change

Front

What is Percent of Change?

Back

Percent of Change is a way to express how much a quantity has increased or decreased in relation to its original amount, calculated as (New Value - Original Value) / Original Value x 100%.

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How do you calculate Percent Increase?

Back

To calculate Percent Increase, use the formula: ((New Value - Original Value) / Original Value) x 100%.

Front

How do you calculate Percent Decrease?

Back

To calculate Percent Decrease, use the formula: ((Original Value - New Value) / Original Value) x 100%.

Front

If the original number is 50 and the new number is 75, what is the percent increase?

Back

50% increase.

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If the original number is 200 and the new number is 150, what is the percent decrease?

Back

25% decrease.

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What does a 100% increase mean?

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

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What does a 50% decrease mean?

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

Front

If a sweater's price goes from $60 to $48, what is the percent decrease?

Back

20% decrease.

Front

If a game system's price goes from $400 to $300, what is the percent decrease?

Back

25% decrease.

Front

If a shirt's price increases from $20 to $30, what is the percent increase?

Back

50% increase.