-93.8% is the change from 807 to 50
Calculation steps:
[( 50 - 807 ) ÷ 807] x 100 = -93.8%
Formula
Percentage change = [(50 - 807) / 807] x 100
Subtract the new number by the original number
50 - 807 = -757
-757 ÷ 807 = -0.9380421313506815
-0.9380421313506815 x 100 = -93.8%