-94.23% is the change from 867 to 50
Calculation steps:
[( 50 - 867 ) ÷ 867] x 100 = -94.23%
Formula
Percentage change = [(50 - 867) / 867] x 100
Subtract the new number by the original number
50 - 867 = -817
-817 ÷ 867 = -0.9423298731257209
-0.9423298731257209 x 100 = -94.23%