-87.56% is the change from 812 to 101
Calculation steps:
[( 101 - 812 ) ÷ 812] x 100 = -87.56%
Formula
Percentage change = [(101 - 812) / 812] x 100
Subtract the new number by the original number
101 - 812 = -711
-711 ÷ 812 = -0.875615763546798
-0.875615763546798 x 100 = -87.56%