Table:
|  |  | Years Ended |  | 2019 vs. 2018 |  |
| --- | --- | --- | --- | --- | --- |
|  | July 27, 2019 (1) | July 28, 2018 | July 29, 2017 | Variance in Dollars | Variance in Percent |
| Revenue: |  |  |  |  |  |
| Product | $39,005 | $36,709 | $35,705 | $2,296 | 6% |
| Percentage of revenue | 75.1% | 74.4% | 74.4% |  |  |
| Service | 12,899 | 12,621 | 12,300 | 278 | 2% |
| Percentage of revenue | 24.9% | 25.6% | 25.6% |  |  |
| Total | $51,904 | $49,330 | $48,005 | $2,574 | 5% |
Paragraphs:
Revenue
The following table presents the breakdown of revenue between product and service (in millions, except percentages):
(1) Total revenue, product revenue and service revenue not including the SPVSS business in the prior year increased 7%, 8% and 3%, respectively.
Question:
What was the change in service revenue between 2017 and 2018?
Answer: 12621-12300 = 321