-10.93% is the change from 860 to 766
Calculation steps:
[( 766 - 860 ) ÷ 860] x 100 = -10.93%
Formula
Percentage change = [(766 - 860) / 860] x 100
Subtract the new number by the original number
766 - 860 = -94
-94 ÷ 860 = -0.10930232558139535
-0.10930232558139535 x 100 = -10.93%