-88.86% is the change from 350 to 39
Calculation steps:
[( 39 - 350 ) ÷ 350] x 100 = -88.86%
Formula
Percentage change = [(39 - 350) / 350] x 100
Subtract the new number by the original number
39 - 350 = -311
-311 ÷ 350 = -0.8885714285714286
-0.8885714285714286 x 100 = -88.86%