-28.89% is the change from 817 to 581
Calculation steps:
[( 581 - 817 ) ÷ 817] x 100 = -28.89%
Formula
Percentage change = [(581 - 817) / 817] x 100
Subtract the new number by the original number
581 - 817 = -236
-236 ÷ 817 = -0.28886168910648713
-0.28886168910648713 x 100 = -28.89%