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
Tremblay 3 Frigon-St-Hilaire 1 +21.6
+0.9
Bilodeau 3 Larouche 2 +2.6
+0.1
Sergerie-Bouchard 3 St-Pierre-Hossay 2 +2.2
+0.1
Saturday, 3/26100.0*Chance in playoffs100.0*Average seed
Tremblay 2 Sergerie-Bouchard 2 -18.8
-0.1
St-Pierre-Hossay 2 Bilodeau 1 -10.6
-0.2
Frigon-St-Hilaire 6 Sergerie-Bouchard 3 +2.5
+0.1
Frigon-St-Hilaire 6 Larouche 3 +1.1
+0.1
Larouche 1 St-Pierre-Hossay 4 -0.0
Sunday, 3/27100.0*Chance in playoffs100.0*Average seed
Tremblay 5 Bilodeau 0 In
+0.9
Points
Chance Will Make Playoffs