-94.21% is the change from 863 to 50
Calculation steps:
[( 50 - 863 ) ÷ 863] x 100 = -94.21%
Formula
Percentage change = [(50 - 863) / 863] x 100
Subtract the new number by the original number
50 - 863 = -813
-813 ÷ 863 = -0.9420625724217845
-0.9420625724217845 x 100 = -94.21%