-70.44% is the change from 812 to 240
Calculation steps:
[( 240 - 812 ) ÷ 812] x 100 = -70.44%
Formula
Percentage change = [(240 - 812) / 812] x 100
Subtract the new number by the original number
240 - 812 = -572
-572 ÷ 812 = -0.7044334975369458
-0.7044334975369458 x 100 = -70.44%