-10.09% is the change from 109 to 98
Calculation steps:
[( 98 - 109 ) ÷ 109] x 100 = -10.09%
Formula
Percentage change = [(98 - 109) / 109] x 100
Subtract the new number by the original number
98 - 109 = -11
-11 ÷ 109 = -0.10091743119266056
-0.10091743119266056 x 100 = -10.09%