Percent of Change

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What is Percent of Change?

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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 Decrease?

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

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If Mary lost 30 pounds from 180 pounds, what is the percent of change?

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17% Decrease.

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What is the formula for calculating Percent Increase?

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

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A TV set's price decreased from $500 to $413. What is the percent decrease?

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17.4% Decrease.

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How do you find the percent change when the new value is less than the original value?

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Use the Percent Decrease formula.

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A sweater's price dropped from $48.50 to $38.80. What is the percent decrease?

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20% Decrease.

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What does a 3% decrease in price indicate?

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It indicates that the new price is 3% less than the original price.

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If a textbook costs $75.11 and now sells for $72.50, what is the percent of change?

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3% Decrease.

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What is the percent decrease if a scooter's price goes from $65.50 to $52.40?

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20% Decrease.