How are these numbers calculated?

Big Games

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

Week of 10/7100.0*Chance in playoffs100.0*Average seed
Queen’s 66 Toronto 1 -28.7
-0.6
Windsor 61 York 15 -2.6
-0.1
McMaster 43 Guelph 35 +0.2
-0.0
Week of 10/16100.0*Chance in playoffs100.0*Average seed
Toronto 21 McMaster 40 -3.5
-0.2
Laurier 44 Queen’s 23 +1.2
Guelph 41 Windsor 14 +0.5
+0.1
Week of 10/23100.0*Chance in playoffs100.0*Average seed
Queen’s 44 York 7 -9.4
-0.1
Western 35 Toronto 23 -8.5
-0.2
Windsor 16 Laurier 56 +0.3
Games Above .500
Chance Will Make Playoffs