300% is the change from 149 to 596
Calculation steps:
[( 596 - 149 ) ÷ 149] x 100 = 300%
Formula
Percentage change = [(596 - 149) / 149] x 100
Subtract the new number by the original number
596 - 149 = 447
447 ÷ 149 = 3
3 x 100 = 300%
Example