-83.99% is the change from 812 to 130
Calculation steps:
[( 130 - 812 ) ÷ 812] x 100 = -83.99%
Formula
Percentage change = [(130 - 812) / 812] x 100
Subtract the new number by the original number
130 - 812 = -682
-682 ÷ 812 = -0.8399014778325123
-0.8399014778325123 x 100 = -83.99%