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
Pickering 10 Macedonia 1 +2.1
+2.1
+0.8
Sporting 3 Oshawa 0 -2.0
-2.0
-0.1
EG Rangers 0 Pickering 0 -1.9
-1.9
-0.1
Magic 3 Kawartha 2 +0.1
+0.1
+0.1
If winner is:HomeDrawAway
Week of 9/3100.0*Chance wins title100.0*OSL Regional100.0*Average seed
Oshawa vs EG Rangers+0.1-0.0-0.1
+0.1-0.0-0.1
+0.3-0.1-0.2
Kawartha vs Magic-0.1+0.0+0.1

What If

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

100100100100100100100100
If finish:ChanceOSLChance will finish season at seed
TPW-D-Lwins titleRegional12345678Count
251-0-00.4%0.4%022562214,658,645
230-1-0NoNo1316447,558,999
220-0-1NoNo136818114,665,844
Total:0.2%0.2%0934498036,883,488
Points
Chance Will Win Championship