-27.13% is the change from 811 to 591
Calculation steps:
[( 591 - 811 ) ÷ 811] x 100 = -27.13%
Formula
Percentage change = [(591 - 811) / 811] x 100
Subtract the new number by the original number
591 - 811 = -220
-220 ÷ 811 = -0.2712700369913687
-0.2712700369913687 x 100 = -27.13%