38.31% is the change from 603 to 834
Calculation steps:
[( 834 - 603 ) ÷ 603] x 100 = 38.31%
Formula
Percentage change = [(834 - 603) / 603] x 100
Subtract the new number by the original number
834 - 603 = 231
231 ÷ 603 = 0.38308457711442784
0.38308457711442784 x 100 = 38.31%