429.23% is the change from 65 to 344
Calculation steps:
[( 344 - 65 ) ÷ 65] x 100 = 429.23%
Formula
Percentage change = [(344 - 65) / 65] x 100
Subtract the new number by the original number
344 - 65 = 279
279 ÷ 65 = 4.292307692307692
4.292307692307692 x 100 = 429.23%