-28.19% is the change from 823 to 591
Calculation steps:
[( 591 - 823 ) ÷ 823] x 100 = -28.19%
Formula
Percentage change = [(591 - 823) / 823] x 100
Subtract the new number by the original number
591 - 823 = -232
-232 ÷ 823 = -0.2818955042527339
-0.2818955042527339 x 100 = -28.19%