How are these numbers calculated?

Big Games

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

Thursday100.0*Average seed
Toronto 5 Detroit 4 (ot)-0.2
New Jersey 4 Buffalo 5 (ot)+0.1
St Louis 3 Boston 4 (so)-0.0
NY Islanders 4 Chicago 5 (so)+0.0
FridayNone
Saturday100.0*Average seed
NY Islanders 3 New Jersey 2 (so)+1.3
Toronto 3 Montreal 5 +0.4
Boston 1 Carolina 2 +0.3
Points
Chance Will Make Playoffs