-11.01% is the change from 109 to 97
Calculation steps:
[( 97 - 109 ) ÷ 109] x 100 = -11.01%
Formula
Percentage change = [(97 - 109) / 109] x 100
Subtract the new number by the original number
97 - 109 = -12
-12 ÷ 109 = -0.11009174311926606
-0.11009174311926606 x 100 = -11.01%