-99.55% is the change from 223 to 1
Calculation steps:
[( 1 - 223 ) ÷ 223] x 100 = -99.55%
Formula
Percentage change = [(1 - 223) / 223] x 100
Subtract the new number by the original number
1 - 223 = -222
-222 ÷ 223 = -0.9955156950672646
-0.9955156950672646 x 100 = -99.55%