How are these numbers calculated?

Big Games

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

Week of 11/9100.0*Chance in playoffs100.0*Average seed
Mitch 69.34 Scully 88.58 +2.8
+0.4
Marsh 129.78 Troy 70.26 -0.3
JDL 109.26 JRich 110.92 -0.2
Ere 79.74 Ali 96 -0.1
Ollie 125.36 Hacksaw 68.14 +0.1
If winner is:HomeAway
Week of 11/16100.0*Chance in playoffs100.0*Average seed
Marsh vs Scully-0.2In
-0.1+0.1
JRich vs Troy-0.1+0.1
Ere vs Hacksaw+0.1-0.1
+0.1-0.1
Ali vs Mitch-0.1+0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLplayoffs12345678910Count
11-12In1003,012,552*
102-02In9463,612,592
91-03In6136202,407,973
80-0497.1%1339331230604,823
Total:99.8%831431009,637,940

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs