16.23% is the change from 721 to 838
Calculation steps:
[( 838 - 721 ) ÷ 721] x 100 = 16.23%
Formula
Percentage change = [(838 - 721) / 721] x 100
Subtract the new number by the original number
838 - 721 = 117
117 ÷ 721 = 0.1622746185852982
0.1622746185852982 x 100 = 16.23%