293.55% is the change from 155 to 610
Calculation steps:
[( 610 - 155 ) ÷ 155] x 100 = 293.55%
Formula
Percentage change = [(610 - 155) / 155] x 100
Subtract the new number by the original number
610 - 155 = 455
455 ÷ 155 = 2.935483870967742
2.935483870967742 x 100 = 293.55%