-88.46% is the change from 338 to 39
Calculation steps:
[( 39 - 338 ) ÷ 338] x 100 = -88.46%
Formula
Percentage change = [(39 - 338) / 338] x 100
Subtract the new number by the original number
39 - 338 = -299
-299 ÷ 338 = -0.8846153846153846
-0.8846153846153846 x 100 = -88.46%