-11.9% is the change from 966 to 851
Calculation steps:
[( 851 - 966 ) ÷ 966] x 100 = -11.9%
Formula
Percentage change = [(851 - 966) / 966] x 100
Subtract the new number by the original number
851 - 966 = -115
-115 ÷ 966 = -0.11904761904761904
-0.11904761904761904 x 100 = -11.9%