How are these numbers calculated?

Big Games

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

Thursday100.0*Average seed
NY Islanders 4 Chicago 5 (so)+0.2
Arizona 2 Vancouver 4 -0.1
FridayNone
Saturday100.0*Average seed
NY Rangers 2 Chicago 3 (ot)+0.1
Vancouver 0 Vegas 1 +0.1
Arizona 2 Winnipeg 3 (ot)-0.1
Points
Chance Will Make Playoffs