How are these numbers calculated?

Big Games

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

Tuesday100.0*Chance in playoffs100.0*Average seed
Leafs 3 Sabres 2 +4.3
+0.1
Sabres 3 Leafs 2 -3.8
-0.0
Wednesday100.0*Chance in playoffs100.0*Average seed
Sabres 3 Penguins 4 +10.6
+0.2
Penguins 1 Sabres 2 (ot)-0.9
-0.0
ThursdayNone
Points
Chance Will Make Playoffs