How are these numbers calculated?

Big Games

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

Week of 9/26100.0*Chance in playoffs100.0*Bye to semi-final100.0*Average seed
McMaster 67 York 10 +3.6
+3.0
+0.3
Laurier 18 Windsor 22 +1.4
+0.2
+0.1
Guelph 48 Ottawa 26 +0.7
-1.1
Toronto 18 Queen's 37 -0.5
-0.3
-0.1
Western 70 Carleton 14 +0.1
+0.1
+0.1
If winner is:HomeAway
Week of 10/2100.0*Chance in playoffs100.0*Bye to semi-final100.0*Average seed
McMaster vs Windsor+0.6-3.2
+2.8-15.4
+0.1-0.8
Ottawa vs Carleton-0.2+0.2
+0.4-0.4
+0.1-0.1
Queen's vs Guelph-0.1+0.1
+0.3-0.2
-0.1+0.1
Waterloo vs Laurier+0.1-0.0

What If

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

100100100100100100100100100100100
If finish:Chance inBye toChance will finish regular season at seed
TPW-Lplayoffssemi-final1234567891011Count
144-0InYes198111,071,731
123-1In9.0%097613230,733,267
102-2100.0%0.1003845171019,469,394
81-394.1No21743326004,025,261
60-416.2No021430391410276,585
Total:99.3%21.1%3184720920000065,576,238
Games Above .500
Chance Will Make Playoffs