30.68% is the change from 704 to 920
Calculation steps:
[( 920 - 704 ) ÷ 704] x 100 = 30.68%
Formula
Percentage change = [(920 - 704) / 704] x 100
Subtract the new number by the original number
920 - 704 = 216
216 ÷ 704 = 0.3068181818181818
0.3068181818181818 x 100 = 30.68%