-12.47% is the change from 393 to 344
Calculation steps:
[( 344 - 393 ) ÷ 393] x 100 = -12.47%
Formula
Percentage change = [(344 - 393) / 393] x 100
Subtract the new number by the original number
344 - 393 = -49
-49 ÷ 393 = -0.12468193384223919
-0.12468193384223919 x 100 = -12.47%