145.71% is the change from 140 to 344
Calculation steps:
[( 344 - 140 ) ÷ 140] x 100 = 145.71%
Formula
Percentage change = [(344 - 140) / 140] x 100
Subtract the new number by the original number
344 - 140 = 204
204 ÷ 140 = 1.457142857142857
1.457142857142857 x 100 = 145.71%