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*Average seed
Laurier 18 Windsor 22 +0.8
+0.6
McMaster 67 York 10 +0.0
If winner is:HomeAway
Week of 10/2100.0*Chance in playoffs100.0*Average seed
McMaster vs Windsor-0.6+3.5
-0.2+0.9
Ottawa vs Carleton-0.2+0.2
Waterloo vs Laurier+0.1-0.1
+0.2-0.1
York vs Toronto+0.1-0.1
-0.1+0.1
Queen's vs Guelph-0.1+0.0

What If

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

100100100100100100100100100100100
If finish:Chance inBye toChance will finish regular season at seed
TPW-Lplayoffssemi-final1234567891011Count
83-045.3%No03142846900655,360
62-11.5No001324817209,509,301
41-20.0No03264127336,534,664
20-3OutNo3178018,876,913
Total:0.7%No000172226202565,576,238
Games Above .500
Chance Will Make Playoffs