-8.47% is the change from 886 to 811
Calculation steps:
[( 811 - 886 ) ÷ 886] x 100 = -8.47%
Formula
Percentage change = [(811 - 886) / 886] x 100
Subtract the new number by the original number
811 - 886 = -75
-75 ÷ 886 = -0.08465011286681716
-0.08465011286681716 x 100 = -8.47%