314% is the change from 150 to 621
Calculation steps:
[( 621 - 150 ) ÷ 150] x 100 = 314%
Formula
Percentage change = [(621 - 150) / 150] x 100
Subtract the new number by the original number
621 - 150 = 471
471 ÷ 150 = 3.14
3.14 x 100 = 314%
Example