-4.51% is the change from 355 to 339
Calculation steps:
[( 339 - 355 ) ÷ 355] x 100 = -4.51%
Formula
Percentage change = [(339 - 355) / 355] x 100
Subtract the new number by the original number
339 - 355 = -16
-16 ÷ 355 = -0.04507042253521127
-0.04507042253521127 x 100 = -4.51%