-30.38% is the change from 836 to 582
Calculation steps:
[( 582 - 836 ) ÷ 836] x 100 = -30.38%
Formula
Percentage change = [(582 - 836) / 836] x 100
Subtract the new number by the original number
582 - 836 = -254
-254 ÷ 836 = -0.3038277511961722
-0.3038277511961722 x 100 = -30.38%