-78.35% is the change from 859 to 186
Calculation steps:
[( 186 - 859 ) ÷ 859] x 100 = -78.35%
Formula
Percentage change = [(186 - 859) / 859] x 100
Subtract the new number by the original number
186 - 859 = -673
-673 ÷ 859 = -0.7834691501746216
-0.7834691501746216 x 100 = -78.35%