-3.33% is the change from 330 to 319
Calculation steps:
[( 319 - 330 ) ÷ 330] x 100 = -3.33%
Formula
Percentage change = [(319 - 330) / 330] x 100
Subtract the new number by the original number
319 - 330 = -11
-11 ÷ 330 = -0.03333333333333333
-0.03333333333333333 x 100 = -3.33%