229.53% is the change from 149 to 491
Calculation steps:
[( 491 - 149 ) ÷ 149] x 100 = 229.53%
Formula
Percentage change = [(491 - 149) / 149] x 100
Subtract the new number by the original number
491 - 149 = 342
342 ÷ 149 = 2.295302013422819
2.295302013422819 x 100 = 229.53%