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
Windsor 61 York 15 +5.7
+0.4
Queen’s 66 Toronto 1 -3.8
McMaster 43 Guelph 35 +1.2
+0.0
Ottawa 44 Laurier 21 +1.2
Week of 10/16100.0*Chance in playoffs100.0*Average seed
Guelph 41 Windsor 14 -16.4
-0.5
Laurier 44 Queen’s 23 -13.5
-0.1
Toronto 21 McMaster 40 +0.7
+0.1
Week of 10/23100.0*Chance in playoffs100.0*Average seed
Windsor 16 Laurier 56 Out
-0.7
Western 35 Toronto 23 +3.2
+0.1
Queen’s 44 York 7 -0.4
-0.0
Games Above .500
Chance Will Make Playoffs