18.04% is the change from 704 to 831
Calculation steps:
[( 831 - 704 ) ÷ 704] x 100 = 18.04%
Formula
Percentage change = [(831 - 704) / 704] x 100
Subtract the new number by the original number
831 - 704 = 127
127 ÷ 704 = 0.18039772727272727
0.18039772727272727 x 100 = 18.04%