-28.24% is the change from 811 to 582
Calculation steps:
[( 582 - 811 ) ÷ 811] x 100 = -28.24%
Formula
Percentage change = [(582 - 811) / 811] x 100
Subtract the new number by the original number
582 - 811 = -229
-229 ÷ 811 = -0.28236744759556104
-0.28236744759556104 x 100 = -28.24%