Table:
|  | Balance at Beginning of Year | Additions Charged to Costs and Expenses | Deductions (1) | Balance at End of Year |
| --- | --- | --- | --- | --- |
| Allowance for doubtful accounts: |  |  |  |  |
| Fiscal 2019 | $2.2 | $— | $(0.2) | $2.0 |
| Fiscal 2018 | $2.1 | $0.2 | $(0.1) | $2.2 |
| Fiscal 2017 | $2.5 | $0.2 | $(0.6) | $2.1 |
Paragraphs:
A summary of additions and deductions related to the allowance for doubtful accounts for the years ended March 31, 2019, 2018 and 2017 follows (amounts in millions):
(1) Deductions represent uncollectible accounts written off, net of recoveries.
Question:
What was the change in the Balance at Beginning of Year between 2017 and 2018?
Answer: 2.1-2.5 = -0.4