Table:
| Years Ended | July 27, 2019 | July 28, 2018 | July 29, 2017 |
| --- | --- | --- | --- |
| Revenue: |  |  |  |
| Infrastructure Platforms  . | $30,191 | $28,322 | $27,817 |
| Applications . | 5,803 | 5,036 | 4,568 |
| Security | 2,730 | 2,352 | 2,152 |
| Other Products . | 281 | 999 | 1,168 |
| Total Product  . | 39,005 | 36,709 | 35,705 |
| Services | 12,899 | 12,621 | 12,300 |
| Total (1) | $51,904 | $49,330 | $48,005 |
Paragraphs:
(b) Revenue for Groups of Similar Products and Services
We design, manufacture, and sell IP-based networking and other products related to the communications and IT industry and provide services associated with these products and their use.
The following table presents revenue for groups of similar products and services (in millions):
(1) Includes SPVSS business revenue of $168 million and $903 million for fiscal 2019 and 2018, respectively.
Question:
What was the percentage change in total product revenue between 2018 and 2019?