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 -14.3
-0.7
JDL 109.26 JRich 110.92 +2.3
Marsh 129.78 Troy 70.26 -1.0
Ere 79.74 Ali 96 -0.9
Ollie 125.36 Hacksaw 68.14 +0.5
If winner is:HomeAway
Week of 11/16100.0*Chance in playoffs100.0*Average seed
Ali vs Mitch-19.0+19.0
-0.9+0.9
JRich vs Troy-3.1+3.1
-0.1+0.1
Ollie vs JDL+2.7-2.7
Marsh vs Scully-2.4+2.4
-0.1+0.1
Ere vs Hacksaw+0.7-0.7

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLplayoffs12345678910Count
94-00In459352604,608
83-0189.7%011413710102,406,316
72-0229.9052540246003,614,930
61-030.103234225602,408,008
50-04Out03234628604,078
Total:39.9%0714191815138429,637,940
Points
Chance Will Make Playoffs