Table:
|  |  | Year Ended December 31, |  |
| --- | --- | --- | --- |
|  | 2019 | 2018 | 2017 |
| Balance as of January 1, | $1,004.8 | $1,126.2 | $1,091.3 |
| Additions to redeemable noncontrolling interests | 525.7 | — | — |
| Net income (loss) attributable to noncontrolling interests | 35.8 | (87.9) | (33.4) |
| Adjustment to noncontrolling interest redemption value | (35.8) | 86.7 | — |
| Adjustment to noncontrolling interest due to merger | — | (28.1) | — |
| Purchase of redeemable noncontrolling interest | (425.7) | — | — |
| Foreign currency translation adjustment attributable to noncontrolling interests | (8.3) | (92.1) | 68.3 |
| Balance as of December 31, | $1,096.5 | $1,004.8 | $1,126.2 |
Paragraphs:
AMERICAN TOWER CORPORATION AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Tabular amounts in millions, unless otherwise disclosed)
Other Redeemable Noncontrolling Interests—During the year ended December 31, 2019, the Company entered into an agreement with MTN to acquire MTN’s noncontrolling interests in each of the Company’s joint ventures in Ghana and Uganda for total consideration of approximately $523.0 million. The transaction is expected to close in the first quarter of 2020, subject to regulatory approval and other closing conditions. In addition, the Company, through a subsidiary of ATC Europe, entered into an agreement with its local partners in France to form Eure-et-Loir Réseaux Mobiles SAS (“Eure-et-Loir”), a telecommunications infrastructure company that owns and operates wireless communications towers in France. The Company’s controlling interest in Eure-et-Loir is 51% with local partners holding a 49% noncontrolling interest. The agreement provides the local partners with put options, which allow them to sell outstanding shares of Eure-et-Loir to the Company, and the Company with call options, which allow it to buy the noncontrolling shares of Eure-et-Loir. The put options, which are not under the Company’s control, cannot be separated from the noncontrolling interests. As a result, the combination of the noncontrolling interests and the redemption feature requires classification as redeemable noncontrolling interests in the consolidated balance sheet, separate from equity. The value of the Eure-et-Loir interests as of December 31, 2019 was $2.7 million.
The changes in Redeemable noncontrolling interests for the years ended December 31, 2019, 2018 and 2017 were as follows:
Question:
What was the change in balance as of January 1 between 2017 and 2018?
Answer: $1126.2-$1091.3 = 34.9