-79.83% is the change from 580 to 117
Calculation steps:
[( 117 - 580 ) ÷ 580] x 100 = -79.83%
Formula
Percentage change = [(117 - 580) / 580] x 100
Subtract the new number by the original number
117 - 580 = -463
-463 ÷ 580 = -0.7982758620689655
-0.7982758620689655 x 100 = -79.83%