-0.79% is the change from 886 to 879
Calculation steps:
[( 879 - 886 ) ÷ 886] x 100 = -0.79%
Formula
Percentage change = [(879 - 886) / 886] x 100
Subtract the new number by the original number
879 - 886 = -7
-7 ÷ 886 = -0.007900677200902935
-0.007900677200902935 x 100 = -0.79%