-93.82% is the change from 809 to 50
Calculation steps:
[( 50 - 809 ) ÷ 809] x 100 = -93.82%
Formula
Percentage change = [(50 - 809) / 809] x 100
Subtract the new number by the original number
50 - 809 = -759
-759 ÷ 809 = -0.9381953028430161
-0.9381953028430161 x 100 = -93.82%