How are these numbers calculated?

Big Games

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

Week of 8/24100.0*Chance wins title100.0*OSL Regional100.0*Average seed
Sporting 3 Oshawa 0 +17.0
+17.0
+0.5
EG Rangers 0 Pickering 0 +2.4
+2.4
+0.1
Pickering 10 Macedonia 1 -0.7
-0.7
-0.1
Magic 3 Kawartha 2 +0.5
+0.5
If winner is:HomeDrawAway
Week of 9/3100.0*Chance wins title100.0*OSL Regional100.0*Average seed
Oshawa vs EG Rangers+1.3+1.2-1.9
+1.3+1.2-1.9
+0.1+0.0-0.1

What If

Chances based on how well the Sporting finish out the regular season.   Explain

100100100100100100100100
If finish:ChanceOSLChance will finish season at seed
TPW-D-Lwins titleRegional12345678Count
31-33YesYes1005,907,577*
302-0-189.3%89.3%89116,941,075
291-2-084.484.484161,848,004
281-1-161.461.461397,168,761
271-0-228.028.02861116,938,713
0-3-030.630.6315910319,038
260-2-118.118.11869121,848,691
250-1-22.12.124145123,583,888
240-0-3NoNo18483042,327,741
Total:55.6%55.6%5631103036,883,488

* Row combines multiple less frequent records.

Points
Chance Will Win Championship