304% is the change from 150 to 606
Calculation steps:
[( 606 - 150 ) ÷ 150] x 100 = 304%
Formula
Percentage change = [(606 - 150) / 150] x 100
Subtract the new number by the original number
606 - 150 = 456
456 ÷ 150 = 3.04
3.04 x 100 = 304%
Example