-88.71% is the change from 859 to 97
Calculation steps:
[( 97 - 859 ) ÷ 859] x 100 = -88.71%
Formula
Percentage change = [(97 - 859) / 859] x 100
Subtract the new number by the original number
97 - 859 = -762
-762 ÷ 859 = -0.8870779976717112
-0.8870779976717112 x 100 = -88.71%