234.9% is the change from 149 to 499
Calculation steps:
[( 499 - 149 ) ÷ 149] x 100 = 234.9%
Formula
Percentage change = [(499 - 149) / 149] x 100
Subtract the new number by the original number
499 - 149 = 350
350 ÷ 149 = 2.348993288590604
2.348993288590604 x 100 = 234.9%