-65.15% is the change from 812 to 283
Calculation steps:
[( 283 - 812 ) ÷ 812] x 100 = -65.15%
Formula
Percentage change = [(283 - 812) / 812] x 100
Subtract the new number by the original number
283 - 812 = -529
-529 ÷ 812 = -0.6514778325123153
-0.6514778325123153 x 100 = -65.15%