15.88% is the change from 724 to 839
Calculation steps:
[( 839 - 724 ) ÷ 724] x 100 = 15.88%
Formula
Percentage change = [(839 - 724) / 724] x 100
Subtract the new number by the original number
839 - 724 = 115
115 ÷ 724 = 0.15883977900552487
0.15883977900552487 x 100 = 15.88%