Cash Flows from Financing Activities
Our significant financing activities were as follows (in millions):
(1) 2017 contributions primarily relate to the funding of the FPS Acquisition.
(2) In the fourth quarter of 2018, two of our minority holders in India delivered notice of exercise of their put options with respect to certain shares in our Indian subsidiary, ATC TIPL. During the year ended December 31, 2019, we completed the redemption of the put shares for total consideration of INR 29.4 billion ($425.7 million at the date of redemption).
Senior Notes
Repayments of Senior Notes
Repayment of 3.40% Senior Notes—On the February 15, 2019 maturity date, we repaid $1.0 billion aggregate principal amount of the 3.40% Notes. The 3.40% Notes were repaid with borrowings from the 2019 Multicurrency Credit Facility and the 2019 Credit Facility. Upon completion of the repayment, none of the 3.40% Notes remained outstanding.
Repayment of 5.050% Senior Notes—On April 22, 2019, we redeemed all of the $700.0 million aggregate principal amount of the 5.050% Notes at a price equal to 103.0050% of the principal amount, plus accrued and unpaid interest up to, but excluding April 22, 2019, for an aggregate redemption price of $726.0 million, including $5.0 million in accrued and unpaid interest. We recorded a loss on retirement of long-term obligations of $22.1 million, which includes prepayment consideration of $21.0 million and the associated unamortized discount and deferred financing costs. The redemption was funded with borrowings from the 2019 Credit Facility and cash on hand. Upon completion of the repayment, none of the 5.050% Notes remained outstanding.
Repayment of 5.900% Senior Notes—On January 15, 2020, we redeemed all of the $500.0 million aggregate principal amount of 5.900% senior unsecured notes due 2021 (the “5.900% Notes”) at a price equal to 106.7090% of the principal amount, plus accrued and unpaid interest up to, but excluding January 15, 2020, for an aggregate redemption price of $539.6 million, including $6.1 million in accrued and unpaid interest. We recorded a loss on retirement of long-term obligations of $34.6 million, which includes prepayment consideration of $33.5 million and the associated unamortized discount and deferred financing costs. The redemption was funded with borrowings from the 2019 Credit Facility and cash on hand. Upon completion of the repayment, none of the 5.900% Notes remained outstanding.

Year Ended December 31,
2019
2018
2017
Proceeds from issuance of senior notes, net
$4,876.7
$584.9
$2,674.0
Proceeds from (repayments of) credit facilities, net
425.0
(695.9)
628.6
Distributions paid on common and preferred stock
(1,603.0)
(1,342.4)
(1,164.4)
Purchases of common stock
(19.6)
(232.8)
(766.3)
Repayments of securitized debt
—
(500.0)
(302.5)
(Distributions to) contributions from noncontrolling interest holders, net (1)
(11.8)
(14.4)
264.3
Repayments of senior notes
(1,700.0)
—
(1,300.0)
(Repayments of) proceeds from term loan, net
(500.0)
1,500.0
—
Purchase of redeemable noncontrolling interest (2)
(425.7)
—
—
Proceeds from issuance of securities in securitization transaction
—
500.0


Question: Analyse this data from a financial earnings document. What was the change in Purchases of common stock between 2018 and 2019?
Choices:
213.2
218.4
-213.2
-18.6
0
Correct choice index: 0