23.06% is the change from 707 to 870
Calculation steps:
[( 870 - 707 ) ÷ 707] x 100 = 23.06%
Formula
Percentage change = [(870 - 707) / 707] x 100
Subtract the new number by the original number
870 - 707 = 163
163 ÷ 707 = 0.23055162659123055
0.23055162659123055 x 100 = 23.06%