How are these numbers calculated?

Big Games

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

Week of 9/25100.0*Chance in playoffs100.0*Average seed
Alberta 32 Manitoba 42 -10.6
-0.5
UBC 29 Saskatchewan 45 -4.4
Regina 8 Calgary 72 +0.8
If winner is:HomeAway
Week of 10/2100.0*Chance in playoffs100.0*Average seed
Alberta vs UBC+17.3-21.7
+0.4-0.5
Calgary vs Saskatchewan+3.4-10.5
+0.1-0.2
Manitoba vs Regina-0.1+0.4
-0.0+0.1

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs123456Count
124-0In20803,045,840
103-1In26532121,648,630
82-296.0%01151354055,222,788
61-343.253856158,311,866
40-45.0590521,254,304
Total:65.2%1142427341159,483,428
Games Above .500
Chance Will Make Playoffs