How are these numbers calculated?

Big Games

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

Week of 11/30100.0*Chance in playoffs100.0*Average seed
Emily 129.5 Sarah 89.1 -1.3
-0.9
JJ 152.7 Patrick 86.4 +0.4
-0.1
AllenRachel 146.2 Ranjan 87.3 -0.3
Gary 121.8 FredDeepa 91.6 -0.0
If winner is:HomeTieAway
Week of 12/7100.0*Chance in playoffs100.0*Average seed
HannahJean vs Sarah-0.2-0.2+0.9
LuGina vs Patrick+0.1+0.1-0.0
Emily vs EricMichael-0.1+0.0+0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
51-0-0Out525432715,083,464
4-4.5Out10071,075,152*
Total:Out1478786,158,616

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs