8.38% is the change from 811 to 879
Calculation steps:
[( 879 - 811 ) ÷ 811] x 100 = 8.38%
Formula
Percentage change = [(879 - 811) / 811] x 100
Subtract the new number by the original number
879 - 811 = 68
68 ÷ 811 = 0.08384710234278668
0.08384710234278668 x 100 = 8.38%