-97.72% is the change from 351 to 8
Calculation steps:
[( 8 - 351 ) ÷ 351] x 100 = -97.72%
Formula
Percentage change = [(8 - 351) / 351] x 100
Subtract the new number by the original number
8 - 351 = -343
-343 ÷ 351 = -0.9772079772079773
-0.9772079772079773 x 100 = -97.72%