-11.49% is the change from 966 to 855
Calculation steps:
[( 855 - 966 ) ÷ 966] x 100 = -11.49%
Formula
Percentage change = [(855 - 966) / 966] x 100
Subtract the new number by the original number
855 - 966 = -111
-111 ÷ 966 = -0.11490683229813664
-0.11490683229813664 x 100 = -11.49%