123.23% is the change from 155 to 346
Calculation steps:
[( 346 - 155 ) ÷ 155] x 100 = 123.23%
Formula
Percentage change = [(346 - 155) / 155] x 100
Subtract the new number by the original number
346 - 155 = 191
191 ÷ 155 = 1.232258064516129
1.232258064516129 x 100 = 123.23%