1.15% is the change from 869 to 879
Calculation steps:
[( 879 - 869 ) ÷ 869] x 100 = 1.15%
Formula
Percentage change = [(879 - 869) / 869] x 100
Subtract the new number by the original number
879 - 869 = 10
10 ÷ 869 = 0.011507479861910242
0.011507479861910242 x 100 = 1.15%