49.83% is the change from 604 to 905
Calculation steps:
[( 905 - 604 ) ÷ 604] x 100 = 49.83%
Formula
Percentage change = [(905 - 604) / 604] x 100
Subtract the new number by the original number
905 - 604 = 301
301 ÷ 604 = 0.49834437086092714
0.49834437086092714 x 100 = 49.83%