341.29% is the change from 155 to 684
Calculation steps:
[( 684 - 155 ) ÷ 155] x 100 = 341.29%
Formula
Percentage change = [(684 - 155) / 155] x 100
Subtract the new number by the original number
684 - 155 = 529
529 ÷ 155 = 3.412903225806452
3.412903225806452 x 100 = 341.29%