-28.41% is the change from 813 to 582
Calculation steps:
[( 582 - 813 ) ÷ 813] x 100 = -28.41%
Formula
Percentage change = [(582 - 813) / 813] x 100
Subtract the new number by the original number
582 - 813 = -231
-231 ÷ 813 = -0.28413284132841327
-0.28413284132841327 x 100 = -28.41%