How are these numbers calculated?

Big Games

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

Week of 10/10100.0*Chance in playoffs100.0*Average seed
Matt 84.96 Rob 89.8 +14.1
+0.9
Cruz 87.86 Liv 155.72 -0.9
-0.0
TJ 102.38 Logan 114.7 -0.5
Cordts 152.34 Joe Fred 137.86 +0.4
Dean 131.68 Dylan 145.82 +0.4
Riccio 104.78 Neary 126.76 +0.1
If winner is:HomeAway
Week of 10/17100.0*Chance in playoffs100.0*Average seed
Rob vs Neary+9.1-13.5
+0.6-0.8
Dean vs Cordts-3.0+0.8
-0.1+0.0
Logan vs Liv-0.4+0.4
Matt vs Riccio-0.2+0.3
Dylan vs Joe Fred+0.2-0.3
TJ vs Cruz-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
129-0In8911095,914
118-1In405550746,560
107-2In755316002,548,055
96-3100.0%0163934101004,846,082
85-496.60182939203005,707,862
74-554.500215373311104,336,392
63-65.70052439256002,130,634
52-70.001123237162655,886
41-8Out04234628114,991
30-9Out1168313,032
Total:76.6%31215171614107421021,195,408
Games Above .500
Chance Will Make Playoffs