-85.24% is the change from 867 to 128
Calculation steps:
[( 128 - 867 ) ÷ 867] x 100 = -85.24%
Formula
Percentage change = [(128 - 867) / 867] x 100
Subtract the new number by the original number
128 - 867 = -739
-739 ÷ 867 = -0.8523644752018454
-0.8523644752018454 x 100 = -85.24%