-86.55% is the change from 342 to 46
Calculation steps:
[( 46 - 342 ) ÷ 342] x 100 = -86.55%
Formula
Percentage change = [(46 - 342) / 342] x 100
Subtract the new number by the original number
46 - 342 = -296
-296 ÷ 342 = -0.8654970760233918
-0.8654970760233918 x 100 = -86.55%