-99.08% is the change from 109 to 1
Calculation steps:
[( 1 - 109 ) ÷ 109] x 100 = -99.08%
Formula
Percentage change = [(1 - 109) / 109] x 100
Subtract the new number by the original number
1 - 109 = -108
-108 ÷ 109 = -0.9908256880733946
-0.9908256880733946 x 100 = -99.08%