-99.69% is the change from 322 to 1
Calculation steps:
[( 1 - 322 ) ÷ 322] x 100 = -99.69%
Formula
Percentage change = [(1 - 322) / 322] x 100
Subtract the new number by the original number
1 - 322 = -321
-321 ÷ 322 = -0.9968944099378882
-0.9968944099378882 x 100 = -99.69%