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math vocabulary 21

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Term
Definition
Percent change   the amount of change compared to the original (or starting) amount, expressed as a percent  
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Percent decrease   the percent change when a quantity decreases from its original amount  
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Percent error   the difference between the correct value and the incorrect value compared to the correct value, expressed as a percentage  
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Percent increase   the percent change when a quantity increases from its original amount  
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Commission   a fee paid for services, often a percent of the total cost  
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Markdown   a amount subtracted from the cost of an item to determine the final price; often a percent of the cost  
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Markup   an amount added to the cost of an item to determine the final price; often a percent of the cost  
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Original   before change  
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