-0.92% is the change from 869 to 861
Calculation steps:
[( 861 - 869 ) ÷ 869] x 100 = -0.92%
Formula
Percentage change = [(861 - 869) / 869] x 100
Subtract the new number by the original number
861 - 869 = -8
-8 ÷ 869 = -0.009205983889528193
-0.009205983889528193 x 100 = -0.92%