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% change = 15% (decrease)

% change = |original value - new value|/original value * 100%

= |20 - 17|/20 * 100%

= 3/20 * 100%

= 0.15 * 100%

= 15% (decrease)

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11y ago
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Q: What is the percent change in these numbers 20 to 17?
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