123.38% is the change from 154 to 344
Calculation steps:
[( 344 - 154 ) ÷ 154] x 100 = 123.38%
Formula
Percentage change = [(344 - 154) / 154] x 100
Subtract the new number by the original number
344 - 154 = 190
190 ÷ 154 = 1.2337662337662338
1.2337662337662338 x 100 = 123.38%