340.65% is the change from 155 to 683
Calculation steps:
[( 683 - 155 ) ÷ 155] x 100 = 340.65%
Formula
Percentage change = [(683 - 155) / 155] x 100
Subtract the new number by the original number
683 - 155 = 528
528 ÷ 155 = 3.4064516129032256
3.4064516129032256 x 100 = 340.65%