10.13% is the change from 790 to 870
Calculation steps:
[( 870 - 790 ) ÷ 790] x 100 = 10.13%
Formula
Percentage change = [(870 - 790) / 790] x 100
Subtract the new number by the original number
870 - 790 = 80
80 ÷ 790 = 0.10126582278481013
0.10126582278481013 x 100 = 10.13%