How are these numbers calculated?

Big Games

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

FridayNone
Saturday100.0*Average seed
Whalers 6 Blackhawks 1 +0.4
Islanders 3 Sabres 4 -0.2
Sunday100.0*Average seed
Bruins 3 Whalers 2 -0.5
Flyers 5 Penguins 6 (ot)+0.3
Sabres 4 Nordiques 2 -0.3
Points
Chance Will Make Playoffs