37.42% is the change from 604 to 830
Calculation steps:
[( 830 - 604 ) ÷ 604] x 100 = 37.42%
Formula
Percentage change = [(830 - 604) / 604] x 100
Subtract the new number by the original number
830 - 604 = 226
226 ÷ 604 = 0.3741721854304636
0.3741721854304636 x 100 = 37.42%