-8.58% is the change from 886 to 810
Calculation steps:
[( 810 - 886 ) ÷ 886] x 100 = -8.58%
Formula
Percentage change = [(810 - 886) / 886] x 100
Subtract the new number by the original number
810 - 886 = -76
-76 ÷ 886 = -0.08577878103837472
-0.08577878103837472 x 100 = -8.58%