-70.94% is the change from 812 to 236
Calculation steps:
[( 236 - 812 ) ÷ 812] x 100 = -70.94%
Formula
Percentage change = [(236 - 812) / 812] x 100
Subtract the new number by the original number
236 - 812 = -576
-576 ÷ 812 = -0.7093596059113301
-0.7093596059113301 x 100 = -70.94%