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
Marsh 129.78 Troy 70.26 +9.2
+0.7
Ollie 125.36 Hacksaw 68.14 +1.2
Mitch 69.34 Scully 88.58 +1.1
JDL 109.26 JRich 110.92 +0.2
Ere 79.74 Ali 96 +0.1
If winner is:HomeAway
Week of 11/16100.0*Chance in playoffs100.0*Average seed
Marsh vs Scully+12.8-12.8
+0.7-0.7
JRich vs Troy-2.0+2.0
-0.1+0.1
Ere vs Hacksaw+0.9-0.9
Ollie vs JDL+0.6-0.6
Ali vs Mitch+0.6-0.6

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLplayoffs12345678910Count
94-00In1654283605,338
83-0184.8%111353814102,405,594
72-0211.70111303618303,613,333
61-030.000936421402,410,799
50-04Out333604602,876
Total:31.8%16111415161614709,637,940
Points
Chance Will Make Playoffs