How are these numbers calculated?

Big Games

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

Week of 1/4100.0*Chance in playoffs100.0*Average seed
Windsor 78 McMaster 64 -0.1
-0.5
Laurier 110 Waterloo 60 -0.0
Week of 1/6100.0*Chance in playoffs100.0*Average seed
McMaster 97 Waterloo 84 +0.0
+0.1
Lakehead 91 Western 73 -0.0
Brock 91 McMaster 103 +0.4
Lakehead 87 Western 66 -0.0
Windsor 70 Guelph 59 -0.0
Windsor 82 Waterloo 72 -0.0

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516Count
174-0In037632,160,425
163-1In185153,868,374
152-2In025752,051,922
141-3In397350,572
130-4In010017,285
Total:In01061298,448,578
Games Above .500
Chance Will Make Playoffs