-84.96% is the change from 811 to 122
Calculation steps:
[( 122 - 811 ) ÷ 811] x 100 = -84.96%
Formula
Percentage change = [(122 - 811) / 811] x 100
Subtract the new number by the original number
122 - 811 = -689
-689 ÷ 811 = -0.8495684340320592
-0.8495684340320592 x 100 = -84.96%