Table:
| Selected Financial Data (in thousands, except per share data) |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- |
|  |  |  | Year Ended September 30, |  |  |
|  | 2019 | 2018 | 2017 | 2016 | 2015 |
| Income Statement Data |  |  |  |  |  |
| Revenue | $84,590 | $63,559 | $45,390 | $34,701 | $25,367 |
| Operating income (loss) | $(4,590) | $(7,806) | $2,769 | $1,824 | $1,892 |
| Net income (loss) | $(724) | $(11,807) | $14,092 | $1,959 | $2,526 |
| Net income (loss) per share—basic | $(0.02) | $(0.33) | $0.43 | $0.06 | $0.08 |
| Net income (loss) per share—diluted | $(0.02) | $(0.33) | $0.40 | $0.06 | $0.08 |
| Balance Sheet Data |  |  |  |  |  |
| Working capital | $34,082 | $17,221 | $41,342 | $31,980 | $24,005 |
| Total assets | $135,897 | $127,150 | $71,719 | $48,385 | $38,746 |
| Other borrowings | $556 | $810 | $— | $— | $— |
| Stockholders’ equity | $107,333 | $95,394 | $61,408 | $39,485 | $30,433 |
Paragraphs:
ITEM 6. SELECTED FINANCIAL DATA.
The following selected financial data has been derived from our audited financial statements. This data should be read in conjunction with Item 7— “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and our financial statements and related notes thereto included elsewhere in this Form 10-K. Our historical results are not necessarily indicative of operating results to be expected in the future.
Question:
What is the percentage change in working capital from 2018 to 2019?
Answer: (34082-17221)/17221  = 97.91