note 8 . acquisitions during fiscal 2017 , cadence completed two business combinations for total cash consideration of $ 142.8 million , after taking into account cash acquired of $ 4.2 million . the total purchase consideration was allocated to the assets acquired and liabilities assumed based on their respective estimated fair values on the acquisition dates . cadence recorded a total of $ 76.4 million of acquired intangible assets ( of which $ 71.5 million represents in-process technology ) , $ 90.2 million of goodwill and $ 19.6 million of net liabilities consisting primarily of deferred tax liabilities . cadence will also make payments to certain employees , subject to continued employment and other performance-based conditions , through the fourth quarter of fiscal 2020 . during fiscal 2016 , cadence completed two business combinations for total cash consideration of $ 42.4 million , after taking into account cash acquired of $ 1.8 million . the total purchase consideration was allocated to the assets acquired and liabilities assumed based on their respective estimated fair values on the acquisition dates . cadence recorded a total of $ 23.6 million of goodwill , $ 23.2 million of acquired intangible assets and $ 2.6 million of net liabilities consisting primarily of deferred revenue . cadence will also make payments to certain employees , subject to continued employment and other conditions , through the second quarter of fiscal a trust for the benefit of the children of lip-bu tan , cadence 2019s chief executive officer ( 201cceo 201d ) and director , owned less than 3% ( 3 % ) of nusemi inc , one of the companies acquired in 2017 , and less than 2% ( 2 % ) of rocketick technologies ltd. , one of the companies acquired in 2016 . mr . tan and his wife serve as co-trustees of the trust and disclaim pecuniary and economic interest in the trust . the board of directors of cadence reviewed the transactions and concluded that it was in the best interests of cadence to proceed with the transactions . mr . tan recused himself from the board of directors 2019 discussion of the valuation of nusemi inc and rocketick technologies ltd . and on whether to proceed with the transactions . acquisition-related transaction costs there were no direct transaction costs associated with acquisitions during fiscal 2018 . transaction costs associated with acquisitions were $ 0.6 million and $ 1.1 million during fiscal 2017 and 2016 , respectively . these costs consist of professional fees and administrative costs and were expensed as incurred in cadence 2019s consolidated income statements . note 9 . goodwill and acquired intangibles goodwill the changes in the carrying amount of goodwill during fiscal 2018 and 2017 were as follows : gross carrying amount ( in thousands ) .

gross carryingamount ( in thousands ): balance as of december 31 2016: 572764
goodwill resulting from acquisitions: 90218
effect of foreign currency translation: -3737
balance as of december 30 2017: 666009
balance as of december 29 2018: 662272

cadence completed its annual goodwill impairment test during the third quarter of fiscal 2018 and determined that the fair value of cadence 2019s single reporting unit substantially exceeded the carrying amount of its net assets and that no impairment existed. .

Questions:
what was the difference in goodwill between 12/30/17 and 12/29/18?
so what was the percentage increase during this time?

Answers:
-3737
-0.6%