-1.74% is the change from 344 to 338
Calculation steps:
[( 338 - 344 ) ÷ 344] x 100 = -1.74%
Formula
Percentage change = [(338 - 344) / 344] x 100
Subtract the new number by the original number
338 - 344 = -6
-6 ÷ 344 = -0.01744186046511628
-0.01744186046511628 x 100 = -1.74%