248.39% is the change from 155 to 540
Calculation steps:
[( 540 - 155 ) ÷ 155] x 100 = 248.39%
Formula
Percentage change = [(540 - 155) / 155] x 100
Subtract the new number by the original number
540 - 155 = 385
385 ÷ 155 = 2.4838709677419355
2.4838709677419355 x 100 = 248.39%