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
+0.2
Montreal 4 Carolina 3 (ot)+5.8
-0.3
Columbus 6 Pittsburgh 3 +0.1
Thursday100.0*Chance in playoffs100.0*Average seed
Montreal 2 Tampa Bay 1 (ot)-0.2
Friday100.0*Chance in playoffs100.0*Average seed
Pittsburgh 2 Carolina 4 +0.4
Points
Chance Will Make Playoffs