151.61% is the change from 155 to 390
Calculation steps:
[( 390 - 155 ) ÷ 155] x 100 = 151.61%
Formula
Percentage change = [(390 - 155) / 155] x 100
Subtract the new number by the original number
390 - 155 = 235
235 ÷ 155 = 1.5161290322580645
1.5161290322580645 x 100 = 151.61%