December 31,
December 31,
December 31,
December 31,
December 31,
2019 (1)(2)
2018 (3)
2017
2016 (5)
2015
Balance Sheet Data:
Working capital
$308,426
$269,857
$100,039
$31,625
$(2,360)
Total assets
3,257,534
2,122,455
1,861,639
1,902,295
1,975,788
Current portion of debt (6)
34,148
20,767
17,786
90,323
89,710
Debt (long-term portion) (6)
1,350,592
658,602
668,356
656,063
845,639
Stockholders’ equity
1,129,968
1,048,231
764,597
754,917
654,400
item 6 .
selected financial data .
the following selected financial data has been derived from our consolidated financial statements -in thousands except per share data .
this data should be read together with item 7 “ management ’ s discussion and analysis of financial condition and results of operations ” and the consolidated financial statements and related notes included elsewhere in this annual report .
the financial information below is not necessarily indicative of the results of future operations .
future results could differ materially from historical results due to many factors including those discussed in item 1a risk factors .
-1 the consolidated balance sheet and statement of operations for the year ended december 31 2019 includes the acquisition of speedpay as discussed in note 3 acquisition to our notes to consolidated financial statements in part iv item 15 of this form 10-k .
-2 the consolidated balance sheet and statement of operations for the year ended december 31 2019 reflects the application of accounting standards update - “ asu ” 2016-02 leases -codified as “ asc 842 ” as discussed in note 14 leases to our notes to consolidated financial statements .
-3 the consolidated balance sheet and statement of operations for the year ended december 31 2018 reflects the adoption of asu 2014-09 revenue from contracts with customers -codified as “ asc 606 ” as discussed in note 2 revenue to our notes to consolidated financial statements including a cumulative adjustment of $ 244 .
0 million to retained earnings .
-4 the consolidated statement of operations for the year ended december 31 2017 reflects the baldwin hackett & meeks inc .
- “ bhmi ” judgment .
we recorded $ 46 .
7 million in general and administrative expense and $ 1 .
4 million in interest expense as discussed in note 15 commitments and contingencies to our notes to consolidated financial statements .
-5 the consolidated balance sheet and statement of operations for the year ended december 31 2016 reflects the sale of community financial services assets and liabilities .
-6 during the year ended december 31 2019 we borrowed $ 500 .
0 million in the form of a new senior secured term loan and drew $ 250 .
0 million on the available revolving credit facility to fund the acquisition of speedpay .
during the year ended december 31 2018 we issued $ 400 .
0 million in senior notes due august 15 2026 .
we used the net proceeds of these senior notes to redeem our outstanding $ 300 .
0 million senior notes due 2020 which we originally entered in to during the year ended december 31 2013 .
see note 5 debt to our notes to consolidated financial statements for additional information .

Question: What was the change in total assets between 2018 and 2019?
Answer: 53.48