304.7% is the change from 149 to 603
Calculation steps:
[( 603 - 149 ) ÷ 149] x 100 = 304.7%
Formula
Percentage change = [(603 - 149) / 149] x 100
Subtract the new number by the original number
603 - 149 = 454
454 ÷ 149 = 3.046979865771812
3.046979865771812 x 100 = 304.7%