How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 6/8100.0*Chance in playoffs100.0*Consolation100.0*Average seed
Pakuranga 1 6 Howick Red 0 +11.3
-11.3
+0.8
Elim 1 5 Pakuranga 2 1 +4.0
-4.0
+0.1
Sancta Maria 6 Howick Black 0 +0.6
-0.6
Elim 2 6 Macleans Red 0 -0.3
+0.3
Week of 6/15100.0*Chance in playoffs100.0*Consolation100.0*Average seed
Pakuranga 1 5 Howick Black 1 +25.0
-25.0
+0.6
Pakuranga 2 5 Howick Red 1 -13.5
+13.5
-0.1
Sancta Maria 0 Macleans Red 6 +4.6
-4.6
+0.2
Week of 6/22100.0*Chance in playoffs100.0*Consolation100.0*Average seed
Pakuranga 1 6 Macleans Red 0 +28.1
-28.1
+0.3
Pakuranga 2 2 Howick Black 4 +28.1
-28.1
+0.3
Points
Chance Will Make Playoffs