How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Wednesday100.0*Average seed
North Stars 3 Maple Leafs 1 -0.3
Blues 1 Predators 3 +0.2
ThursdayNone
Friday100.0*Average seed
Scouts 5 Blues 4 (ot)+0.4
Points
Chance Will Make Playoffs