17.2% is the change from 715 to 838
Calculation steps:
[( 838 - 715 ) ÷ 715] x 100 = 17.2%
Formula
Percentage change = [(838 - 715) / 715] x 100
Subtract the new number by the original number
838 - 715 = 123
123 ÷ 715 = 0.17202797202797201
0.17202797202797201 x 100 = 17.2%