-97.69% is the change from 346 to 8
Calculation steps:
[( 8 - 346 ) ÷ 346] x 100 = -97.69%
Formula
Percentage change = [(8 - 346) / 346] x 100
Subtract the new number by the original number
8 - 346 = -338
-338 ÷ 346 = -0.976878612716763
-0.976878612716763 x 100 = -97.69%