How are these numbers calculated?

Big Games

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

Week of 10/23100.0*Chance in playoffs100.0*Average seed
Winnipeg 41 Montreal 24 -6.8
-0.1
Calgary 30 Edmonton 7 -4.2
-0.5
Toronto 17 Hamilton 26 -1.1
Saskatchewan 33 BC 30 +0.2
Week of 10/30100.0*Chance in playoffs100.0*Average seed
Edmonton 36 Toronto 10 +14.9
+0.2
Hamilton 24 Saskatchewan 6 -13.6
-0.1
Montreal 48 Winnipeg 13 +6.4
+0.1
BC 26 Calgary 28 +0.5
+0.2
Week of 11/6100.0*Chance in playoffs100.0*Average seed
BC 13 Edmonton 45 In
+0.7
Games Above .500
Chance Will Make Playoffs