How are these numbers calculated?

Big Games

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

Week of 11/27100.0*Chance in playoffs100.0*Average seed
NICK 65.5 KIRK 116 In
+0.0
STEVE 131 ALEX 127.5 In
STEWART 109.5 CASEY 85 +0.2
If winner is:HomeAway
Week of 12/4100.0*Chance in playoffs100.0*Average seed
KIRK vs STANEK+0.0-0.2

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
10-11In10017,399,557*
90-2In43571,220,764
Total:In96418,620,321

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs