How are these numbers calculated?

Big Games

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

Wednesday100.0*Chance in playoffs100.0*Average seed
Buffalo 1 NY Islanders 5 In
+0.1
Detroit 5 New Jersey 3 In
-0.3
Montreal 4 Carolina 3 (ot)In
+0.9
Columbus 6 Pittsburgh 3 +0.9
+0.1
Thursday100.0*Chance in playoffs100.0*Average seed
Montreal 2 Tampa Bay 1 (ot)+1.0
FridayNone
Points
Chance Will Make Playoffs