15.77% is the change from 704 to 815
Calculation steps:
[( 815 - 704 ) ÷ 704] x 100 = 15.77%
Formula
Percentage change = [(815 - 704) / 704] x 100
Subtract the new number by the original number
815 - 704 = 111
111 ÷ 704 = 0.15767045454545456
0.15767045454545456 x 100 = 15.77%