December 31, 2019
December 31, 2018 (1)
Accounts receivable
$80.5
$92.6
Prepaids and other current assets
8.3
7.7
Notes receivable and other non-current assets
21.3
22.2
Unearned revenue (2)
35.0
35.0
Other non-current liabilities (3)
79.0
54.1

text: AMERICAN TOWER CORPORATION AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Tabular amounts in millions, unless otherwise disclosed)
text: Information about receivables, contract assets and contract liabilities from contracts with tenants is as follows:
text: (1) Prior-period amounts adjusted with the adoption of the new lease accounting guidance, as applicable.
text: (2) Excludes $56.7 million and $55.0 million of capital contributions related to DAS networks as of December 31, 2019 and 2018, respectively.
text: (3) Excludes $300.2 million and $313.6 million of capital contributions related to DAS networks as of December 31, 2019 and 2018, respectively.
text: The Company records unearned revenue when payments are received from tenants in advance of the completion of the Company’s performance obligations. Long-term unearned revenue is included in Other non-current liabilities. During the year ended December 31, 2019, the Company recognized $62.2 million of revenue that was included in the Unearned revenue balance as of December 31, 2018. During the year ended December 31, 2018, the Company recognized $44.4 million of revenue that was included in the Unearned revenue balance as of January 1, 2018. The Company also recognized revenues of $59.2 million and $55.4 million during the years ended December 31, 2019 and December 31, 2018, respectively, for capital contributions related to DAS networks. There was $0.4 million of revenue recognized from Other non-current liabilities during each of the years ended December 31, 2019 and 2018. $59.2 million and $55.4 million during the years ended December 31, 2019 and December 31, 2018, respectively, for capital contributions related to DAS networks. There was $0.4 million of revenue recognized from Other non-current liabilities during each of the years ended December 31, 2019 and 2018.
$59.2 million and $55.4 million during the years ended December 31, 2019 and December 31, 2018, respectively, for capital
contributions related to DAS networks. There was $0.4 million of revenue recognized from Other non-current liabilities during
each of the years ended December 31, 2019 and 2018.

Questions:
question: What does unearned revenue exclude?
answer: $56.7 million and $55.0 million of capital contributions related to DAS networks as of December 31, 2019 and 2018, respectively.
question: What does Other non-current liabilities exclude?
answer: Excludes $300.2 million and $313.6 million of capital contributions related to DAS networks as of December 31, 2019 and 2018, respectively.
question: What was Prepaids and other current assets in 2019?
answer: 8.3
scale: million
question: What was the change in Other non-current liabilities between 2018 and 2019?
answer: 24.9
derivation: 79.0-54.1
scale: million
question: What was the change in Prepaids and other current assets between 2018 and 2019?
answer: 0.6
derivation: 8.3-7.7
scale: million
question: What was the percentage change in Accounts receivable between 2018 and 2019?
answer: -13.07
derivation: ($80.5-$92.6)/$92.6
scale: percent