-85.96% is the change from 584 to 82
Calculation steps:
[( 82 - 584 ) ÷ 584] x 100 = -85.96%
Formula
Percentage change = [(82 - 584) / 584] x 100
Subtract the new number by the original number
82 - 584 = -502
-502 ÷ 584 = -0.8595890410958904
-0.8595890410958904 x 100 = -85.96%