Table:
|  | December 29, 2019 | December 30, 2018 |
| --- | --- | --- |
|  |  | (in thousands) |
| Inventories: |  |  |
| Raw material | $222 | $191 |
| Work-in-process | 2,370 | 2,929 |
| Finished goods | 668 | 716 |
|  | $3,260 | $3,836 |
| Other current assets: |  |  |
| Prepaid expenses | $1,296 | $1,483 |
| Other | 269 | 292 |
|  | $1,565 | $1,775 |
| Property and equipment: |  |  |
| Equipment | $10,694 | $10,607 |
| Software | 1,789 | 2,788 |
| Furniture and fixtures | 36 | 42 |
| Leasehold improvements | 474 | 712 |
|  | 12,993 | 14,149 |
| Accumulated depreciation and amortization | (12,163) | (12,700) |
|  | $830 | $1,449 |
| Capitalized internal-use software: |  |  |
| Capitalized during the year | $365 | — |
| Accumulated amortization | (32) | — |
|  | $333 | — |
| Accrued liabilities: |  |  |
| Employee compensation related accruals | 713 | 1,154 |
| Other | 420 | 749 |
|  | $1,133 | $1,903 |
Paragraphs:
NOTE 4-BALANCE SHEET COMPONENTS
The Company recorded depreciation and amortization expense of $1.2 million, $1.3 million and $1.4 million for the fiscal years 2019, 2018 and 2017, respectively. No interest was capitalized for any period presented. Fiscal year 2019 depreciation and amortization of $1.2 million includes $32,000 of amortization of capitalized internal-use software.
Question:
What is the percentage change in the value of raw materials between 2018 and 2019?
Answer: (222 - 191)/191  = 16.23