251.61% is the change from 155 to 545
Calculation steps:
[( 545 - 155 ) ÷ 155] x 100 = 251.61%
Formula
Percentage change = [(545 - 155) / 155] x 100
Subtract the new number by the original number
545 - 155 = 390
390 ÷ 155 = 2.5161290322580645
2.5161290322580645 x 100 = 251.61%