Dell’s low-value pool closing balance for the year ended 30 June 2022 was $2,500. During the 2022/23 income year, Dell acquired a depreciating asset for $800. Its taxable use percentage is 80%. Also, in the 2022/23 income year, Dell chose to allocate to the low-value pool, a low-value asset with an opening adjustable value on 1 July 2022 of $990. 

What is the DECLINE IN VALUE of Dell's low-value pool for the 2022/23 income year?