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
Belleville 1 Toronto 0 +20.6
+0.2
Hartford 0 Bridgeport 7 -8.0
-0.1
Friday100.0*Chance in playoffs100.0*Average seed
Rochester 3 Bridgeport 1 +20.7
+0.2
Laval 2 Belleville 3 +17.7
+0.2
SaturdayNone
Points
Chance Will Make Playoffs