-29.28% is the change from 823 to 582
Calculation steps:
[( 582 - 823 ) ÷ 823] x 100 = -29.28%
Formula
Percentage change = [(582 - 823) / 823] x 100
Subtract the new number by the original number
582 - 823 = -241
-241 ÷ 823 = -0.2928311057108141
-0.2928311057108141 x 100 = -29.28%