-8.33% is the change from 360 to 330
Calculation steps:
[( 330 - 360 ) ÷ 360] x 100 = -8.33%
Formula
Percentage change = [(330 - 360) / 360] x 100
Subtract the new number by the original number
330 - 360 = -30
-30 ÷ 360 = -0.08333333333333333
-0.08333333333333333 x 100 = -8.33%