-86.61% is the change from 859 to 115
Calculation steps:
[( 115 - 859 ) ÷ 859] x 100 = -86.61%
Formula
Percentage change = [(115 - 859) / 859] x 100
Subtract the new number by the original number
115 - 859 = -744
-744 ÷ 859 = -0.8661233993015134
-0.8661233993015134 x 100 = -86.61%