-98.86% is the change from 350 to 4
Calculation steps:
[( 4 - 350 ) ÷ 350] x 100 = -98.86%
Formula
Percentage change = [(4 - 350) / 350] x 100
Subtract the new number by the original number
4 - 350 = -346
-346 ÷ 350 = -0.9885714285714285
-0.9885714285714285 x 100 = -98.86%