It takes one person six months of being subbed to that service to equal one sale during the months after the game's release.
^ more than that Aeolus.
Because alot of these gamepass users, are people that where planning on useing the free trail for this game.
Necro-bump this 2020: http://gamrconnect.vgchartz.com/thread.php?id=229249
Bumb in 2021: http://gamrconnect.vgchartz.com/post.php?id=9047071