22.54% is the change from 710 to 870
Calculation steps:
[( 870 - 710 ) ÷ 710] x 100 = 22.54%
Formula
Percentage change = [(870 - 710) / 710] x 100
Subtract the new number by the original number
870 - 710 = 160
160 ÷ 710 = 0.22535211267605634
0.22535211267605634 x 100 = 22.54%