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 +0.2
Guelph 48 Ottawa 26 +0.1
Toronto 18 Queen's 37 -0.1
+0.1
McMaster 67 York 10 +0.0
If winner is:HomeAway
Week of 10/2100.0*Chance in playoffs100.0*Average seed
Waterloo vs Laurier+2.1-1.2
+0.7-0.4
Ottawa vs Carleton-0.6+0.7
York vs Toronto-0.3+0.2
McMaster vs Windsor-0.0+0.2
+0.0-0.1

What If

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

100100100100100100100100100100100
If finish:Chance inBye toChance will finish regular season at seed
TPW-Lplayoffssemi-final1234567891011Count
84-056.1%No0316364310427,865
63-111.6No001150327005,076,457
42-20.0No01214229618,581,970
21-3OutNo1386127,296,804
00-4OutNo10014,193,142
Total:1.3%No00015913244965,576,238
Games Above .500
Chance Will Make Playoffs