Table:
|  |  |  | As of June 30, |  |  |
| --- | --- | --- | --- | --- | --- |
|  | 2019 | 2018 | 2017 | 2016 | 2015 |
|  |  | (U.S. $ in thousands) |  |  |  |
|  |  | *As Adjusted | *As Adjusted |  |  |
| Cash and cash equivalents | $1,268,441 | $1,410,339 | $244,420 | $259,709 | $187,094 |
| Short-term investments | 445,046 | 323,134 | 305,499 | 483,405 | 30,251 |
| Derivative assets | 215,233 | 99,995 | 3,252 | — | — |
| Working capital | (287,597) | 1,377,145 | 296,984 | 542,038 | 50,477 |
| Total assets | 2,977,258 | 2,421,828 | 1,282,117 | 990,973 | 397,161 |
| Deferred revenue | 468,820 | 342,871 | 245,195 | 181,068 | 136,565 |
| Derivative liabilities | 855,079 | 207,970 | — | — | — |
| Exchangeable senior notes, net | 853,576 | 819,637 | — | — | — |
| Total liabilities | 2,411,791 | 1,514,508 | 379,424 | 259,310 | 207,107 |
| Share capital | 24,199 | 23,531 | 22,726 | 21,620 | 18,461 |
| Total equity | 565,467 | 907,320 | 902,693 | 731,663 | 190,054 |
Paragraphs:
Consolidated Statements of Financial Position Data:
* Adjusted IFRS balances to reflect the impact of the full retrospective adoption of IFRS 15. See Note 2 of the notes to our consolidated financial statements for further details.
Question:
What is the difference in the value of short-term investments between fiscal years 2018 and 2019?
Answer: 445046-323134 = 121912