-84.98% is the change from 859 to 129
Calculation steps:
[( 129 - 859 ) ÷ 859] x 100 = -84.98%
Formula
Percentage change = [(129 - 859) / 859] x 100
Subtract the new number by the original number
129 - 859 = -730
-730 ÷ 859 = -0.8498253783469151
-0.8498253783469151 x 100 = -84.98%