-71.06% is the change from 812 to 235
Calculation steps:
[( 235 - 812 ) ÷ 812] x 100 = -71.06%
Formula
Percentage change = [(235 - 812) / 812] x 100
Subtract the new number by the original number
235 - 812 = -577
-577 ÷ 812 = -0.7105911330049262
-0.7105911330049262 x 100 = -71.06%