Table:
|  | 2019 | 2018 |
| --- | --- | --- |
|  | £ million | £ million |
| Work in progress | 0.7 | 0.6 |
| Finished goods¹ | 3.2 | 3.9 |
|  | 3.9 | 4.5 |
Paragraphs:
8. Stocks
Note
1. Finished goods in 2018 includes £2.2 million relating to deferred costs which has been reclassified from prepayments; see note 1 for further details.
There were no stock write-downs recognised in the period (2018 nil) and there were no reversals of prior period stock write-downs (2018 nil).
No stock is carried at fair value less costs to sell (2018 nil).
Question:
What was the percentage change in the amount of stocks?
Answer: (3.9-4.5)/4.5 = -13.33