included in other non-current liabilities , because the company believes that the ultimate payment or settlement of these liabilities will not occur within the next twelve months . prior to the adoption of these provisions , these amounts were included in current income tax payable . the company includes interest and penalties related to unrecognized tax benefits within the provision for taxes in the condensed consolidated statements of income , and as a result , no change in classification was made upon adopting these provisions . the condensed consolidated statements of income for fiscal year 2009 and fiscal year 2008 include $ 1.7 million and $ 1.3 million , respectively , of interest and penalties related to these uncertain tax positions . due to the complexity associated with its tax uncertainties , the company cannot make a reasonably reliable estimate as to the period in which it expects to settle the liabilities associated with these uncertain tax positions . the following table summarizes the changes in the total amounts of uncertain tax positions for fiscal 2008 and fiscal 2009. .

Table: balance november 3 2007 $ 9889 additions for tax positions of current year 3861 balance november 1 2008 13750 additions for tax positions of current year 4411 balance october 31 2009 $ 18161

fiscal year 2004 and 2005 irs examination during the fourth quarter of fiscal 2007 , the irs completed its field examination of the company 2019s fiscal years 2004 and 2005 . on january 2 , 2008 , the irs issued its report for fiscal 2004 and 2005 , which included proposed adjustments related to these two fiscal years . the company has recorded taxes and penalties related to certain of these proposed adjustments . there are four items with an additional potential total tax liability of $ 46 million . the company has concluded , based on discussions with its tax advisors , that these four items are not likely to result in any additional tax liability . therefore , the company has not recorded any additional tax liability for these items and is appealing these proposed adjustments through the normal processes for the resolution of differences between the irs and taxpayers . the company 2019s initial meetings with the appellate division of the irs were held during fiscal year 2009 . two of the unresolved matters are one-time issues and pertain to section 965 of the internal revenue code related to the beneficial tax treatment of dividends from foreign owned companies under the american jobs creation act . the other matters pertain to the computation of research and development ( r&d ) tax credits and the profits earned from manufacturing activities carried on outside the united states . these latter two matters could impact taxes payable for fiscal 2004 and 2005 as well as for subsequent years . fiscal year 2006 and 2007 irs examination during the third quarter of fiscal 2009 , the irs completed its field examination of the company 2019s fiscal years 2006 and 2007 . the irs and the company have agreed on the treatment of a number of issues that have been included in an issue resolutions agreement related to the 2006 and 2007 tax returns . however , no agreement was reached on the tax treatment of a number of issues , including the same r&d credit and foreign manufacturing issues mentioned above related to fiscal 2004 and 2005 , the pricing of intercompany sales ( transfer pricing ) , and the deductibility of certain stock option compensation expenses . during the third quarter of fiscal 2009 , the irs issued its report for fiscal 2006 and fiscal 2007 , which included proposed adjustments related to these two fiscal years . the company has recorded taxes and penalties related to certain of these proposed adjustments . there are four items with an additional potential total tax liability of $ 195 million . the company concluded , based on discussions with its tax advisors , that these four items are not likely to result in any additional tax liability . therefore , the company has not recorded any additional tax liability for these items and is appealing these proposed adjustments through the normal processes for the resolution of differences between the irs and taxpayers . with the exception of the analog devices , inc . notes to consolidated financial statements 2014 ( continued ) .

Question: what percentage did the balance increase from 2007 to 2009?
Answer: 83.6%
Calculation: divide(subtract(18161, 9889), 9889)
Explanation: to find the percentage increase one must subtract the two year's balances and then divide the answer by the balance for 2007 .