-99.89% is the change from 923 to 1
Calculation steps:
[( 1 - 923 ) ÷ 923] x 100 = -99.89%
Formula
Percentage change = [(1 - 923) / 923] x 100
Subtract the new number by the original number
1 - 923 = -922
-922 ÷ 923 = -0.9989165763813651
-0.9989165763813651 x 100 = -99.89%