-66.5% is the change from 812 to 272
Calculation steps:
[( 272 - 812 ) ÷ 812] x 100 = -66.5%
Formula
Percentage change = [(272 - 812) / 812] x 100
Subtract the new number by the original number
272 - 812 = -540
-540 ÷ 812 = -0.6650246305418719
-0.6650246305418719 x 100 = -66.5%