-15.89% is the change from 409 to 344
Calculation steps:
[( 344 - 409 ) ÷ 409] x 100 = -15.89%
Formula
Percentage change = [(344 - 409) / 409] x 100
Subtract the new number by the original number
344 - 409 = -65
-65 ÷ 409 = -0.15892420537897312
-0.15892420537897312 x 100 = -15.89%