-1.82% is the change from 330 to 324
Calculation steps:
[( 324 - 330 ) ÷ 330] x 100 = -1.82%
Formula
Percentage change = [(324 - 330) / 330] x 100
Subtract the new number by the original number
324 - 330 = -6
-6 ÷ 330 = -0.01818181818181818
-0.01818181818181818 x 100 = -1.82%