-28.69% is the change from 812 to 579
Calculation steps:
[( 579 - 812 ) ÷ 812] x 100 = -28.69%
Formula
Percentage change = [(579 - 812) / 812] x 100
Subtract the new number by the original number
579 - 812 = -233
-233 ÷ 812 = -0.2869458128078818
-0.2869458128078818 x 100 = -28.69%