Table:
|  |  | Fiscal Years |  |
| --- | --- | --- | --- |
|  | 2019 | 2018 | 2017 |
| Revenue by product line (1) : |  |  |  |
| New products | $3,123 | $5,735 | $5,853 |
| Mature products | 7,187 | 6,894 | 6,296 |
| Total revenue | $10,310 | $12,629 | $12,149 |
Paragraphs:
NOTE 14-INFORMATION CONCERNING PRODUCT LINES, GEOGRAPHIC INFORMATION, ACCOUNTS RECEIVABLE AND REVENUE CONCENTRATION
The Company identifies its business segments based on business activities, management responsibility and geographic location. For all periods presented, the Company operated in a single reportable business segment.
The following is a breakdown of revenue by product family (in thousands):
(1) New products include all products manufactured on 180 nanometer or smaller semiconductor processes, eFPGA IP license, QuickAI and SensiML AI software as a service (SaaS) revenues. Mature products include all products produced on semiconductor processes larger than 180 nanometer.
Question:
What is the percentage change in total revenue between 2018 and 2019?
Answer: (10310 - 12629)/12629  = -18.36