-27.71% is the change from 812 to 587
Calculation steps:
[( 587 - 812 ) ÷ 812] x 100 = -27.71%
Formula
Percentage change = [(587 - 812) / 812] x 100
Subtract the new number by the original number
587 - 812 = -225
-225 ÷ 812 = -0.2770935960591133
-0.2770935960591133 x 100 = -27.71%