229.03% is the change from 155 to 510
Calculation steps:
[( 510 - 155 ) ÷ 155] x 100 = 229.03%
Formula
Percentage change = [(510 - 155) / 155] x 100
Subtract the new number by the original number
510 - 155 = 355
355 ÷ 155 = 2.2903225806451615
2.2903225806451615 x 100 = 229.03%