-28.36% is the change from 811 to 581
Calculation steps:
[( 581 - 811 ) ÷ 811] x 100 = -28.36%
Formula
Percentage change = [(581 - 811) / 811] x 100
Subtract the new number by the original number
581 - 811 = -230
-230 ÷ 811 = -0.2836004932182491
-0.2836004932182491 x 100 = -28.36%