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
STEVE 131 ALEX 127.5 -24.4
-0.6
STANEK 92.5 KNIGHT 87.5 +10.8
+0.2
STEWART 109.5 CASEY 85 +7.6
+0.2
NICK 65.5 KIRK 116 +0.1
If winner is:HomeAway
Week of 12/4100.0*Chance in playoffs100.0*Average seed
ALEX vs NICK+14.6-35.9
+0.4-1.0
BRETT vs STEVE+12.5-9.3
+0.3-0.2
CASEY vs KNIGHT+2.4-3.2
JARED vs STEWART+0.0-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
82-0In76248,475,705
71-148.0%1533322008,204,005
60-20.0014612231,940,611
Total:66.7%412615152018,620,321
Games Above .500
Chance Will Make Playoffs