-8.4% is the change from 393 to 360
Calculation steps:
[( 360 - 393 ) ÷ 393] x 100 = -8.4%
Formula
Percentage change = [(360 - 393) / 393] x 100
Subtract the new number by the original number
360 - 393 = -33
-33 ÷ 393 = -0.08396946564885496
-0.08396946564885496 x 100 = -8.4%