pre_text: Other Income (Expense), Net Other expense, net decreased by $31 thousand in 2019 compared to 2018 as a result of the recognition of a $1.4 million loss on extinguishment related to the partial repurchase of our 2022 Notes and a $1.1 million increase in interest expense related to our convertible senior notes, offset by an increase of $2.7 million of interest income earned on our investment as a result of proceeds invested from our convertible note and common stock offerings.
table: Year Ended December 31, Change
table: 2019 2018 $ %
table: (dollars in thousands)
table: Other expense, net $ 4,597 $ 4,628 $ (31) (0.7)%
table: % of revenue 2% 3%
question: Analyse this data from a financial earnings document. What is the change in the % of revenue from 2018 to 2019?