-0.92% is the change from 109 to 108
Calculation steps:
[( 108 - 109 ) ÷ 109] x 100 = -0.92%
Formula
Percentage change = [(108 - 109) / 109] x 100
Subtract the new number by the original number
108 - 109 = -1
-1 ÷ 109 = -0.009174311926605505
-0.009174311926605505 x 100 = -0.92%