-11.12% is the change from 971 to 863
Calculation steps:
[( 863 - 971 ) ÷ 971] x 100 = -11.12%
Formula
Percentage change = [(863 - 971) / 971] x 100
Subtract the new number by the original number
863 - 971 = -108
-108 ÷ 971 = -0.11122554067971163
-0.11122554067971163 x 100 = -11.12%