-15.27% is the change from 406 to 344
Calculation steps:
[( 344 - 406 ) ÷ 406] x 100 = -15.27%
Formula
Percentage change = [(344 - 406) / 406] x 100
Subtract the new number by the original number
344 - 406 = -62
-62 ÷ 406 = -0.15270935960591134
-0.15270935960591134 x 100 = -15.27%