Percent of Change

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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 value, calculated as (New Value - Original Value) / Original Value x 100%.

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How do you calculate Percent of Decrease?

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

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How do you calculate Percent of Increase?

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

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Find the percent of change from 20 miles to 11 miles.

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45% decrease.

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Find the percent of change from 24 teachers to 30 teachers.

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25% increase.

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Find the percent of change from 80 to 52.

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35% decrease.

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The game system originally cost $350. It was on sale for $311. What is the percent of decrease?

Back

11% decrease.

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If a sweater's price changes from $50 to $40, what is the percent of change?

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20% decrease.

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What does a positive percent change indicate?

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A positive percent change indicates an increase in value.

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What does a negative percent change indicate?

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A negative percent change indicates a decrease in value.