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 +21.6
+0.9
Tremblay 3 Frigon-St-Hilaire 1 -0.2
Bilodeau 3 Larouche 2 -0.2
Saturday, 3/26100.0*Chance in playoffs100.0*Average seed
Frigon-St-Hilaire 6 Sergerie-Bouchard 3 Out
-1.9
Tremblay 2 Sergerie-Bouchard 2 +26.0
+0.2
St-Pierre-Hossay 2 Bilodeau 1 +12.2
+0.3
Frigon-St-Hilaire 6 Larouche 3 +0.1
+0.1
Larouche 1 St-Pierre-Hossay 4 -0.2
Sunday, 3/27100.0*Chance in playoffs100.0*Average seed
Tremblay 5 Bilodeau 0 +0.3
Points
Chance Will Make Playoffs