compared to earlier levels .the pre-tax non-cash impairments of certain mineral rights and real estate discussed above under the caption fffdland and development impairments fffd are not included in segment income .liquidity and capital resources on january 29 , 2018 , we announced that a definitive agreement had been signed for us to acquire all of the outstanding shares of kapstone for $ 35.00 per share and the assumption of approximately $ 1.36 billion in net debt , for a total enterprise value of approximately $ 4.9 billion .in contemplation of the transaction , on march 6 , 2018 , we issued $ 600.0 million aggregate principal amount of 3.75% ( 3.75 % ) senior notes due 2025 and $ 600.0 million aggregate principal amount of 4.0% ( 4.0 % ) senior notes due 2028 in an unregistered offering pursuant to rule 144a and regulation s under the securities act of 1933 , as amended ( the fffdsecurities act fffd ) .in addition , on march 7 , 2018 , we entered into the delayed draw credit facilities ( as hereinafter defined ) that provide for $ 3.8 billion of senior unsecured term loans .on november 2 , 2018 , in connection with the closing of the kapstone acquisition , we drew upon the facility in full .the proceeds of the delayed draw credit facilities ( as hereinafter defined ) and other sources of cash were used to pay the consideration for the kapstone acquisition , to repay certain existing indebtedness of kapstone and to pay fees and expenses incurred in connection with the kapstone acquisition .we fund our working capital requirements , capital expenditures , mergers , acquisitions and investments , restructuring activities , dividends and stock repurchases from net cash provided by operating activities , borrowings under our credit facilities , proceeds from our new a/r sales agreement ( as hereinafter defined ) , proceeds from the sale of property , plant and equipment removed from service and proceeds received in connection with the issuance of debt and equity securities .see fffdnote 13 .debt fffdtt of the notes to consolidated financial statements for additional information .funding for our domestic operations in the foreseeable future is expected to come from sources of liquidity within our domestic operations , including cash and cash equivalents , and available borrowings under our credit facilities .as such , our foreign cash and cash equivalents are not expected to be a key source of liquidity to our domestic operations .at september 30 , 2018 , excluding the delayed draw credit facilities , we had approximately $ 3.2 billion of availability under our committed credit facilities , primarily under our revolving credit facility , the majority of which matures on july 1 , 2022 .this liquidity may be used to provide for ongoing working capital needs and for other general corporate purposes , including acquisitions , dividends and stock repurchases .certain restrictive covenants govern our maximum availability under the credit facilities .we test and report our compliance with these covenants as required and we were in compliance with all of these covenants at september 30 , 2018 .at september 30 , 2018 , we had $ 104.9 million of outstanding letters of credit not drawn cash and cash equivalents were $ 636.8 million at september 30 , 2018 and $ 298.1 million at september 30 , 2017 .we used a significant portion of the cash and cash equivalents on hand at september 30 , 2018 in connection with the closing of the kapstone acquisition .approximately 20% ( 20 % ) of the cash and cash equivalents at september 30 , 2018 were held outside of the u.s .at september 30 , 2018 , total debt was $ 6415.2 million , $ 740.7 million of which was current .at september 30 , 2017 , total debt was $ 6554.8 million , $ 608.7 million of which was current .cash flow activityy .
[['( in millions )', 'year ended september 30 , 2018', 'year ended september 30 , 2017', 'year ended september 30 , 2016'], ['net cash provided by operating activities', '$ 2420.9', '$ 1900.5', '$ 1688.4'], ['net cash used for investing activities', '$ -1298.9 ( 1298.9 )', '$ -1285.8 ( 1285.8 )', '$ -1351.4 ( 1351.4 )'], ['net cash used for financing activities', '$ -755.1 ( 755.1 )', '$ -655.4 ( 655.4 )', '$ -231.0 ( 231.0 )']]
net cash provided by operating activities during fiscal 2018 increased $ 520.4 million from fiscal 2017 primarily due to higher cash earnings and lower cash taxes due to the impact of the tax act .net cash provided by operating activities during fiscal 2017 increased $ 212.1 million from fiscal 2016 primarily due to a $ 111.6 million net increase in cash flow from working capital changes plus higher after-tax cash proceeds from our land and development segment fffds accelerated monetization .the changes in working capital in fiscal 2018 , 2017 and 2016 included a .

Question: what percent of the increase in net cash from operations between 2016 and 2017 was due to working capital changes?
Answer: 52.62%