-72.04% is the change from 812 to 227
Calculation steps:
[( 227 - 812 ) ÷ 812] x 100 = -72.04%
Formula
Percentage change = [(227 - 812) / 812] x 100
Subtract the new number by the original number
227 - 812 = -585
-585 ÷ 812 = -0.7204433497536946
-0.7204433497536946 x 100 = -72.04%