-99.09% is the change from 110 to 1
Calculation steps:
[( 1 - 110 ) ÷ 110] x 100 = -99.09%
Formula
Percentage change = [(1 - 110) / 110] x 100
Subtract the new number by the original number
1 - 110 = -109
-109 ÷ 110 = -0.990909090909091
-0.990909090909091 x 100 = -99.09%