-83.97% is the change from 811 to 130
Calculation steps:
[( 130 - 811 ) ÷ 811] x 100 = -83.97%
Formula
Percentage change = [(130 - 811) / 811] x 100
Subtract the new number by the original number
130 - 811 = -681
-681 ÷ 811 = -0.8397040690505548
-0.8397040690505548 x 100 = -83.97%