315.86% is the change from 145 to 603
Calculation steps:
[( 603 - 145 ) ÷ 145] x 100 = 315.86%
Formula
Percentage change = [(603 - 145) / 145] x 100
Subtract the new number by the original number
603 - 145 = 458
458 ÷ 145 = 3.1586206896551725
3.1586206896551725 x 100 = 315.86%