-99.69% is the change from 324 to 1
Calculation steps:
[( 1 - 324 ) ÷ 324] x 100 = -99.69%
Formula
Percentage change = [(1 - 324) / 324] x 100
Subtract the new number by the original number
1 - 324 = -323
-323 ÷ 324 = -0.9969135802469136
-0.9969135802469136 x 100 = -99.69%