How are these numbers calculated?

Big Games

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

TuesdayNone
Wednesday100.0*Average seed
Oilers 1 Knights 4 +0.2
Knights 3 Oilers 7 -0.2
Devils 4 Leafs 1 -0.1
Leafs 3 Devils 5 -0.1
Thursday100.0*Average seed
Knights 0 Blues 2 -0.3
Blues 0 Knights 5 +0.3
Sabres 2 Lightning 1 (ot)-0.0
Lightning 3 Sabres 2 (ot)-0.0
Points
Chance Will Make Playoffs