-88.39% is the change from 336 to 39
Calculation steps:
[( 39 - 336 ) ÷ 336] x 100 = -88.39%
Formula
Percentage change = [(39 - 336) / 336] x 100
Subtract the new number by the original number
39 - 336 = -297
-297 ÷ 336 = -0.8839285714285714
-0.8839285714285714 x 100 = -88.39%