-99.69% is the change from 327 to 1
Calculation steps:
[( 1 - 327 ) ÷ 327] x 100 = -99.69%
Formula
Percentage change = [(1 - 327) / 327] x 100
Subtract the new number by the original number
1 - 327 = -326
-326 ÷ 327 = -0.9969418960244648
-0.9969418960244648 x 100 = -99.69%