notes to consolidated financial statements 2014 ( continued ) on historical trends and known economic and market conditions at the time of valuation .
actual results may differ substantially from these assumptions .
these differences may significantly impact future pension or retiree medical expenses .
annual pension and retiree medical expense is principally the sum of three components : 1 ) increase in liability from interest ; less 2 ) expected return on plan assets ; and 3 ) other gains and losses as described below .
the expected return on plan assets is calculated by applying an assumed long-term rate of return to the fair value of plan assets .
in any given year , actual returns can differ significantly from the expected return .
differences between the actual and expected return on plan assets are combined with gains or losses resulting from the revaluation of plan liabilities .
plan liabilities are revalued annually , based on updated assumptions and infor- mation about the individuals covered by the plan .
the combined gain or loss is generally expensed evenly over the remaining years that employees are expected to work .
comprehensive income ( loss ) the company accounts for comprehensive income ( loss ) in accordance with the provisions of sfas no .
130 , 201creporting comprehensive income 201d ( 201csfas no .
130 201d ) .
sfas no .
130 is a financial statement presentation standard that requires the company to disclose non-owner changes included in equity but not included in net income or loss .
other items of comprehensive income ( loss ) presented in the financial statements consists of adjustments to the company 2019s minimum pension liability as follows ( in thousands ) : pension adjustments accumulated comprehensive .

Pension Adjustments
Accumulated Other Comprehensive Loss
Balance as of October 1, 2004
$(786)
$(786)
Change in period
(351)
(351)
Balance as of September 30, 2005
(1,137)
(1,137)
Change in period
538
538
Balance as of September 29, 2006
$(599)
$(599)

recently issued accounting pronouncements in november 2004 , the fasb issued sfas no .
151 , 201cinventory costs 2014 an amendment to apb no .
23 , chapter 4 201d ( 201csfas no .
151 201d ) .
the amendments made by sfas no .
151 clarify that abnormal amounts of idle facility expense , freight , handling costs and wasted materials ( spoilage ) should be recognized as current-period charges and require the allocation of fixed production overheads to inventory based on the normal capacity of the production facilities .
the guidance is effective for inventory costs incurred during fiscal years beginning after june 15 , 2005 .
the company adopted sfas no .
151 on october 1 , 2005 and it did not have a material impact on its financial statements in fiscal 2006 .
in december 2004 , the fasb issued sfas no .
153 , 201cexchanges of nonmonetary assets 2014 an amend- ment of apb opinion no .
29 201d ( 201csfas no .
153 201d ) .
the guidance in apb opinion no .
29 , 201caccounting for nonmonetary transactions 201d ( 201capb no .
29 201d ) is based on the principle that exchanges of nonmonetary assets should be measured based on the fair value of the assets exchanged .
the guidance in apb no .
29 , however , included certain exceptions to that principle .
sfas no .
153 amends apb no .
29 to eliminate the exception for nonmonetary exchanges of similar productive assets and replaces it with a general exception for exchanges of nonmonetary assets that do not have commercial substance .
sfas no .
153 is effective for such exchange transactions occurring in fiscal periods beginning after june 15 , 2005 .
the company adopted sfas no .
153 on october 1 , 2005 and it did not have a material impact on its financial statements in fiscal 2006 .
in may 2005 , the fasb issued sfas no .
154 , 201caccounting changes and error corrections 2014 a replacement of apb opinion no .
20 and fasb statement no .
3 201d ( 201csfas no .
154 201d ) .
this statement replaces apb opinion no .
20 , 201caccounting changes 201d and fasb statement no .
3 , 201creporting accounting changes in interim financial statements 2014 an amendment of apb opinion no .
28 , 201d and also changes the .

Question: Analyse this data from a financial earnings document. what is the percentage change in in the pension liability balance from 2004 to 2006?
Choices:
-1
0.68448
0.44656
1137
-785.55344
Correct choice index: 2