261.74% is the change from 149 to 539
Calculation steps:
[( 539 - 149 ) ÷ 149] x 100 = 261.74%
Formula
Percentage change = [(539 - 149) / 149] x 100
Subtract the new number by the original number
539 - 149 = 390
390 ÷ 149 = 2.61744966442953
2.61744966442953 x 100 = 261.74%