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 Amount - Original Amount) / Original Amount x 100%.

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How do you calculate Percent Increase?

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

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How do you calculate Percent Decrease?

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

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If the original amount is 10 and the new amount is 12, what is the percent change?

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20%.

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Ann's hourly wage increased from $10.00 to $12.00. What is the percent of change?

Back

Increase 20%.

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The original cost of an item was $50 and the new cost is $60. What is the percent of change?

Back

Increase 20%.

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The number of people signed up for a bus trip increased from 32 to 45. What is the percent increase?

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41%.

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If a purse's price changed from $45 to $54, what is the percent change?

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Increase 20%.

Front

What is the formula for calculating percent change?

Back

Percent Change = (Change in Value / Original Value) x 100%.

Front

What does a positive percent change indicate?

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A positive percent change indicates an increase in value.