-88.66% is the change from 811 to 92
Calculation steps:
[( 92 - 811 ) ÷ 811] x 100 = -88.66%
Formula
Percentage change = [(92 - 811) / 811] x 100
Subtract the new number by the original number
92 - 811 = -719
-719 ÷ 811 = -0.8865598027127004
-0.8865598027127004 x 100 = -88.66%