15.81% is the change from 721 to 835
Calculation steps:
[( 835 - 721 ) ÷ 721] x 100 = 15.81%
Formula
Percentage change = [(835 - 721) / 721] x 100
Subtract the new number by the original number
835 - 721 = 114
114 ÷ 721 = 0.15811373092926492
0.15811373092926492 x 100 = 15.81%