-82.76% is the change from 812 to 140
Calculation steps:
[( 140 - 812 ) ÷ 812] x 100 = -82.76%
Formula
Percentage change = [(140 - 812) / 812] x 100
Subtract the new number by the original number
140 - 812 = -672
-672 ÷ 812 = -0.8275862068965517
-0.8275862068965517 x 100 = -82.76%