302% is the change from 150 to 603
Calculation steps:
[( 603 - 150 ) ÷ 150] x 100 = 302%
Formula
Percentage change = [(603 - 150) / 150] x 100
Subtract the new number by the original number
603 - 150 = 453
453 ÷ 150 = 3.02
3.02 x 100 = 302%
Example