You can import the edited data from the package version to the download version following these steps:
- Back up the edited data.
- Export the edited data to a USB storage or the online storage in the PS4 HOME.
- Delete the Winning Eleven 2015 Package version from PS4 HDD.
- Choose Winning Eleven 2015 Package version in the PS4 HOME, press OPTIONS and choose [Delete]
- Install Winning Eleven 2015 Download version.
- Copy the edited data to your system.
Do not delete the backup data until you confirm that you can play without any issues.