-1.15% is the change from 869 to 859
Calculation steps:
[( 859 - 869 ) ÷ 869] x 100 = -1.15%
Formula
Percentage change = [(859 - 869) / 869] x 100
Subtract the new number by the original number
859 - 869 = -10
-10 ÷ 869 = -0.011507479861910242
-0.011507479861910242 x 100 = -1.15%