How are these numbers calculated?

Big Games

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

Week of 10/22100.0*Chance in playoffs100.0*Average seed
Calgary 31 B.C. 36 +24.4
+0.6
Edmonton 39 Saskatchewan 24 -19.7
-0.3
Winnipeg 8 Toronto 27 +2.0
-0.1
Week of 10/29100.0*Chance in playoffs100.0*Average seed
Edmonton 16 Winnipeg 13 -23.2
-0.2
B.C. 23 Saskatchewan 17 +11.7
+0.2
Toronto 30 Montreal 37 +0.1
Week of 11/5100.0*Chance in playoffs100.0*Average seed
Hamilton 21 B.C. 23 +39.6
+0.7
Saskatchewan 31 Edmonton 23 +13.5
+0.2
If winner is:HomeTieAway
Montreal vs Toronto+0.3-0.7-0.7

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678Count
160-0-0In673310,000,000
Total:In673310,000,000
Games Above .500
Chance Will Make Playoffs