Table:
|  | CONSOLIDATED |  |
| --- | --- | --- |
|  | JUN 2019 $’000 | JUN 2018 $’000 |
| Revenue | 426 | 1,208 |
| Expenses | (1,035) | (989) |
| Operating income | (609) | 219 |
| Interest revenue | 5 | 9 |
| Impairment of other intangible assets | (603) | (16,902) |
| Profit/(loss) before tax from discontinued operations | (1,207) | (16,674) |
| Tax benefit/(expense) related to current pre-tax loss | (1,150) | (55) |
| Post-tax profit/(loss) of  discontinued operations | (2,357) | (16,729) |
Paragraphs:
6.3 Changes in group structure
Discontinued operations
On 21 December 2018, the Group executed a share sale agreement to sell Infochoice Pty Ltd, a wholly owned subsidiary.
At 30 June 2019, Infochoice Pty Ltd was classified as a discontinued operation. The business of Infochoice Pty Ltd represented the Group’s financial services and products comparison operating segment. With Infochoice Pty Ltd being classified as a discontinued operation, its operating results are no longer presented in the segment note. The sale of Infochoice Pty Ltd was completed on 18 February 2019. The results of Infochoice Pty Ltd for the period are presented below:
Question:
What is the percentage change in the interest revenue from 2018 to 2019?
Answer: (5-9)/9 = -44.44