-14.94% is the change from 328 to 279
Calculation steps:
[( 279 - 328 ) ÷ 328] x 100 = -14.94%
Formula
Percentage change = [(279 - 328) / 328] x 100
Subtract the new number by the original number
279 - 328 = -49
-49 ÷ 328 = -0.14939024390243902
-0.14939024390243902 x 100 = -14.94%