-5.81% is the change from 860 to 810
Calculation steps:
[( 810 - 860 ) ÷ 860] x 100 = -5.81%
Formula
Percentage change = [(810 - 860) / 860] x 100
Subtract the new number by the original number
810 - 860 = -50
-50 ÷ 860 = -0.05813953488372093
-0.05813953488372093 x 100 = -5.81%