Percentage Change from 20 to 17

Change =  
Amount of Change/Number

Change =  
-3/20

Change = -0.15
-0.15 Converted to a Percent: -0.15 = -15%
Percentage Change from 20 to 17 (20 – 3) = -15%
Note: Percentage Change of -15% = Percentage Decrease of 15%

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