239.33% is the change from 150 to 509
Calculation steps:
[( 509 - 150 ) ÷ 150] x 100 = 239.33%
Formula
Percentage change = [(509 - 150) / 150] x 100
Subtract the new number by the original number
509 - 150 = 359
359 ÷ 150 = 2.3933333333333335
2.3933333333333335 x 100 = 239.33%