-8.5% is the change from 859 to 786
Calculation steps:
[( 786 - 859 ) ÷ 859] x 100 = -8.5%
Formula
Percentage change = [(786 - 859) / 859] x 100
Subtract the new number by the original number
786 - 859 = -73
-73 ÷ 859 = -0.08498253783469151
-0.08498253783469151 x 100 = -8.5%