-15.69% is the change from 408 to 344
Calculation steps:
[( 344 - 408 ) ÷ 408] x 100 = -15.69%
Formula
Percentage change = [(344 - 408) / 408] x 100
Subtract the new number by the original number
344 - 408 = -64
-64 ÷ 408 = -0.1568627450980392
-0.1568627450980392 x 100 = -15.69%