20.17% is the change from 724 to 870
Calculation steps:
[( 870 - 724 ) ÷ 724] x 100 = 20.17%
Formula
Percentage change = [(870 - 724) / 724] x 100
Subtract the new number by the original number
870 - 724 = 146
146 ÷ 724 = 0.20165745856353592
0.20165745856353592 x 100 = 20.17%