Table:
| Options | Number of Options (in Millions) | Weighted Average Exercise Price | Average Remaining Contractual Term (Years) | Aggregate Intrinsic Value (in Millions) |
| --- | --- | --- | --- | --- |
| Outstanding at May 27, 2018 | 5.1 | $28.11 |  |  |
| Exercised | (0.6) | $20.75 |  | $7.9 |
| Expired | (0.1) | $29.84 |  |  |
| Outstanding at May 26, 2019 | 4.4 | $29.00 | 5.47 | $9.9 |
| Exercisable at May 26, 2019 | 4.1 | $28.38 | 5.32 | $9.9 |
Paragraphs:
A summary of the option activity as of May 26, 2019 and changes during the fiscal year then ended is presented below:
We recognize compensation expense using the straight-line method over the requisite service period, accounting for forfeitures as they occur. During fiscal 2017, we granted 1.1 million stock options with a weighted average grant date fair value of $6.12 per share. The total intrinsic value of stock options exercised was $7.9 million, $15.8 million, and $29.8 million for fiscal 2019, 2018, and 2017, respectively. The closing market price of our common stock on the last trading day of fiscal 2019 was $28.83 per share.
Compensation expense for stock option awards totaled $2.2 million, $4.2 million, and $6.2 million for fiscal 2019, 2018, and 2017, respectively, including discontinued operations of $0.2 million for fiscal 2017. Included in the compensation expense for stock option awards for fiscal 2019, 2018, and 2017 was $0.2 million, $0.4 million, and $0.9 million, respectively, related to stock options granted by a subsidiary in the subsidiary's shares to the subsidiary's employees. The tax benefit related to the stock option expense for fiscal 2019, 2018, and 2017 was $0.5 million, $1.4 million, and $2.4 million, respectively.
At May 26, 2019, we had $0.2 million of total unrecognized compensation expense related to stock options that will be recognized over a weighted average period of 0.1 years.
Cash received from stock option exercises for fiscal 2019, 2018, and 2017 was $12.4 million, $25.1 million, and $84.4 million, respectively. The actual tax benefit realized for the tax deductions from option exercises totaled $2.3 million, $5.3 million, and $19.5 million for fiscal 2019, 2018, and 2017, respectively.
Question:
What is the percentage change in the number of outstanding options from 2018 to 2019?
Answer: (4.4-5.1)/5.1  = -13.73