-94.39% is the change from 891 to 50
Calculation steps:
[( 50 - 891 ) ÷ 891] x 100 = -94.39%
Formula
Percentage change = [(50 - 891) / 891] x 100
Subtract the new number by the original number
50 - 891 = -841
-841 ÷ 891 = -0.9438832772166106
-0.9438832772166106 x 100 = -94.39%