How are these numbers calculated?

Big Games

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

Friday, 3/25100.0*Chance in playoffs100.0*Average seed
Sergerie-Bouchard 3 St-Pierre-Hossay 2 -20.5
-0.9
Bilodeau 3 Larouche 2 -0.2
Tremblay 3 Frigon-St-Hilaire 1 -0.2
Saturday, 3/26100.0*Chance in playoffs100.0*Average seed
Larouche 1 St-Pierre-Hossay 4 +42.9
+2.1
St-Pierre-Hossay 2 Bilodeau 1 +17.7
+0.8
Frigon-St-Hilaire 6 Sergerie-Bouchard 3 +3.7
+0.1
Frigon-St-Hilaire 6 Larouche 3 -3.1
-0.2
Tremblay 2 Sergerie-Bouchard 2 -0.6
Sunday, 3/27100.0*Chance in playoffs100.0*Average seed
Tremblay 5 Bilodeau 0 Out
-0.9
Points
Chance Will Make Playoffs