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
Sancta Maria 6 Howick Black 0 +12.3
-12.3
+0.2
Elim 1 5 Pakuranga 2 1 -6.4
+6.4
-0.2
Pakuranga 1 6 Howick Red 0 +0.2
-0.2
Week of 6/15100.0*Chance in playoffs100.0*Consolation100.0*Average seed
Pakuranga 2 5 Howick Red 1 +16.1
-16.1
+0.2
Pakuranga 1 5 Howick Black 1 -8.0
+8.0
-0.1
Sancta Maria 0 Macleans Red 6 +0.2
-0.2
+0.0
Week of 6/22100.0*Chance in playoffs100.0*Consolation100.0*Average seed
Pakuranga 1 6 Macleans Red 0 -28.9
+28.9
-0.3
Pakuranga 2 2 Howick Black 4 -26.5
+26.5
-0.3
Points
Chance Will Make Playoffs