30.97% is the change from 704 to 922
Calculation steps:
[( 922 - 704 ) ÷ 704] x 100 = 30.97%
Formula
Percentage change = [(922 - 704) / 704] x 100
Subtract the new number by the original number
922 - 704 = 218
218 ÷ 704 = 0.3096590909090909
0.3096590909090909 x 100 = 30.97%