12.4% is the change from 871 to 979
Calculation steps:
[( 979 - 871 ) ÷ 871] x 100 = 12.4%
Formula
Percentage change = [(979 - 871) / 871] x 100
Subtract the new number by the original number
979 - 871 = 108
108 ÷ 871 = 0.12399540757749714
0.12399540757749714 x 100 = 12.4%