-97.69% is the change from 347 to 8
Calculation steps:
[( 8 - 347 ) ÷ 347] x 100 = -97.69%
Formula
Percentage change = [(8 - 347) / 347] x 100
Subtract the new number by the original number
8 - 347 = -339
-339 ÷ 347 = -0.9769452449567724
-0.9769452449567724 x 100 = -97.69%