-36.33% is the change from 812 to 517
Calculation steps:
[( 517 - 812 ) ÷ 812] x 100 = -36.33%
Formula
Percentage change = [(517 - 812) / 812] x 100
Subtract the new number by the original number
517 - 812 = -295
-295 ÷ 812 = -0.3633004926108374
-0.3633004926108374 x 100 = -36.33%