-1.16% is the change from 861 to 851
Calculation steps:
[( 851 - 861 ) ÷ 861] x 100 = -1.16%
Formula
Percentage change = [(851 - 861) / 861] x 100
Subtract the new number by the original number
851 - 861 = -10
-10 ÷ 861 = -0.011614401858304297
-0.011614401858304297 x 100 = -1.16%