How are these numbers calculated?

Big Games

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

Week of 8/6100.0*Chance in playoffs100.0*Relegated100.0*Average seed
Orillia 2 OSS 2 -11.2
No
-0.3
Alliston 1 EG Rangers 4 -2.6
Bradford 3 OSU 1 -1.8
-0.1
OSS 0 Collingwood 8 -0.0
Week of 8/13100.0*Chance in playoffs100.0*Relegated100.0*Average seed
Orillia 2 EG Rangers 3 -13.7
-0.4
OSU 2 Orillia 2 -3.7
-0.1
Orillia 3 Alliston 3 -3.5
-0.1
Alliston 2 OSU 1 Out
-0.0
Collingwood 5 Bradford 0 +1.8
+0.1
EG Rangers 5 OSS 1 -1.5
-0.0
Week of 8/20100.0*Chance in playoffs100.0*Relegated100.0*Average seed
Bradford 2 EG Rangers 4 +0.5
OSU 1 Bradford 0 +0.2
OSS 1 Orillia 1 -0.1
Points
Chance Will Make Playoffs