-89.15% is the change from 811 to 88
Calculation steps:
[( 88 - 811 ) ÷ 811] x 100 = -89.15%
Formula
Percentage change = [(88 - 811) / 811] x 100
Subtract the new number by the original number
88 - 811 = -723
-723 ÷ 811 = -0.8914919852034525
-0.8914919852034525 x 100 = -89.15%