How are these numbers calculated?

Big Games

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

Week of 11/22100.0*Chance in playoffs100.0*Average seed
Graham 125 Tim 175 -0.1
-0.3
Swan 144 Eric 110 In
-0.1
Jake 142 Brenden 123 -0.1
+0.1
Mahoney 147 Ben 125 -0.1
If winner is:HomeAway
Week of 11/29100.0*Chance in playoffs100.0*Average seed
Graham vs Jake+0.5-0.5
Swan vs Ben-0.2+0.2
Tim vs Brenden+0.1-0.1

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678Count
82-0In1006,431,433
71-1In5638612,852,622
60-2In942486,433,881
Total:In5321141225,717,936
Games Above .500
Chance Will Make Playoffs