-11.35% is the change from 960 to 851
Calculation steps:
[( 851 - 960 ) ÷ 960] x 100 = -11.35%
Formula
Percentage change = [(851 - 960) / 960] x 100
Subtract the new number by the original number
851 - 960 = -109
-109 ÷ 960 = -0.11354166666666667
-0.11354166666666667 x 100 = -11.35%