15.67% is the change from 721 to 834
Calculation steps:
[( 834 - 721 ) ÷ 721] x 100 = 15.67%
Formula
Percentage change = [(834 - 721) / 721] x 100
Subtract the new number by the original number
834 - 721 = 113
113 ÷ 721 = 0.15672676837725383
0.15672676837725383 x 100 = 15.67%