216.13% is the change from 155 to 490
Calculation steps:
[( 490 - 155 ) ÷ 155] x 100 = 216.13%
Formula
Percentage change = [(490 - 155) / 155] x 100
Subtract the new number by the original number
490 - 155 = 335
335 ÷ 155 = 2.161290322580645
2.161290322580645 x 100 = 216.13%