How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Chance in playoffs100.0*Average seed
Old School 78.82 49ers 84.72 -1.4
Hold My LeBeau 82.96 Sophomores 101.9 +0.1
50 Shades 88.3 shockers 61.92 -0.0
Ruthless Richie 115.52 Luck Dynasty 77.28 +0.0
Pryor Champion 79.56 The Spoilers 107.42 +0.3
EA Street 99.66 Gridiron Gang 106.48 -0.0
Week of 11/25100.0*Chance in playoffs100.0*Average seed
Pryor Champion 131.56 Old School 92 -0.1
-1.4
shockers 69.5 Luck Dynasty 43.42 +0.1
Ruthless Richie 87.66 Trash Talkers 95.36 +0.1
Gridiron Gang 69.28 49ers 76.78 +0.2
50 Shades 88.96 EA Street 71.66 -0.0
If winner is:HomeAway
Week of 12/2100.0*Chance in playoffs100.0*Average seed
Pryor Champion vs 49ersIn-3.3
+0.0-0.2
Hold My LeBeau vs Old School-0.2In
-1.7+1.1
Ruthless Richie vs Sophomores-0.1In
-0.1+0.1
EA Street vs Luck DynastyIn-0.1
+0.1-0.1
50 Shades vs Gridiron Gang+0.0-0.2

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314Count
81-0In590531,391,498,229
70-199.6%1924242111020,199,067,103
Total:99.9%355119984051,590,565,332
Games Above .500
Chance Will Make Playoffs