Cash Flows
Year ended December 31, 2018 compared to the year ended December 31, 2019
The following table summarizes our net cash flows from operating, investing and financing activities for the years indicated:
Net Cash Provided By Operating Activities
Net cash provided by operating activities increased by $33.7 million, from $283.7 million during the year ended December 31, 2018 to $317.4 million during the year ended December 31, 2019. The increase was attributable to an increase of $57.7 million caused by movements in working capital accounts due primarily to (a) increased cash from related parties of $56.3 million (mainly collection of Cool Pool receivables), (b) an increase of $20.3 million from movements in other payables and accruals, and (c) an increase of $4.6 million from movements in trade and other receivables, partially offset by an increase in cash collateral on swaps of $22.2 million, an increase of $28.2 million in total revenues (revenues and net pool allocation), partially offset by a decrease of $29.9 million in cash paid for interest including the interest paid for finance leases and a net decrease of $22.3 million from the remaining movements.
Net Cash Used In Investing Activities
Net cash used in investing activities decreased by $250.0 million, from $693.0 million during the year ended December 31, 2018 to $443.0 million during the year ended December 31, 2019. The decrease is attributable to a decrease of $203.7 million in net cash used in payments for the construction costs of newbuildings and other fixed assets, a net increase of $45.5 million in cash from short-term investments in the year ended December 31, 2019, compared to the same period of 2018 and an increase of $0.8 million in cash from interest income.
Net Cash Provided By Financing Activities
Net cash provided by financing activities decreased by $318.0 million, from $368.1 million during the year ended December 31, 2018 to $50.1 million during the year ended December 31, 2019. The decrease is mainly attributable to an increase of $316.0 million in bank loan repayments, a decrease of $208.4 million in proceeds from the GasLog Partners’ issuance of preference units, a decrease of $60.4 million in proceeds from the GasLog Partners’ common unit offerings, an increase of $46.7 million in payments for NOK bond repurchase at a premium, an increase of $26.6 million in cash used for purchases of treasury shares or common units of GasLog Partners, an increase of $18.5 million in payments of loan issuance costs, an increase of $15.4 million in dividend payments on common and preference shares, an increase of $3.7 million in payments for cross currency swaps’ termination, an increase of $2.6 million in payments for lease liabilities, an increase of $0.8 million in payments for equity-related costs and a decrease of $0.5 million in proceeds from stock option exercise, partially offset by an increase of $381.6 million in proceeds from borrowings.
Table:
 |  | Year ended December 31, | 
 | 2018 | 2019 | Change
Amounts in thousands of U.S. dollars |  |  | 
Net cash provided by operating activities | $283,710 | $317,423 | $33,713
Net cash used in investing activities | (692,999) | (442,978) | 250,021
Net cash provided by financing activities | 368,120 | 50,066 | (318,054)


Question: What was the percentage change in net cash provided by financing activities from 2018 to 2019?
Answer: -86.4
Calculation: (50,066 - 368,120)/368,120