How are these numbers calculated?

Big Games

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

Thursday100.0*Average seed
Arizona 2 Vancouver 4 +0.4
NY Islanders 4 Chicago 5 (so)-0.1
FridayNone
Saturday100.0*Average seed
Vancouver 0 Vegas 1 -0.7
Arizona 2 Winnipeg 3 (ot)+0.3
NY Rangers 2 Chicago 3 (ot)-0.1
Points
Chance Will Make Playoffs