-93.83% is the change from 811 to 50
Calculation steps:
[( 50 - 811 ) ÷ 811] x 100 = -93.83%
Formula
Percentage change = [(50 - 811) / 811] x 100
Subtract the new number by the original number
50 - 811 = -761
-761 ÷ 811 = -0.938347718865598
-0.938347718865598 x 100 = -93.83%