How are these numbers calculated?

Big Games

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

Thursday100.0*Average seed
New Jersey 4 Buffalo 5 (ot)-0.4
St Louis 3 Boston 4 (so)-0.1
Toronto 5 Detroit 4 (ot)+0.1
NY Islanders 4 Chicago 5 (so)+0.1
FridayNone
Saturday100.0*Average seed
Detroit 5 Tampa Bay 1 +0.6
Boston 1 Carolina 2 +0.4
Buffalo 1 Philadelphia 2 (ot)-0.2
Points
Chance Will Make Playoffs