How are these numbers calculated?

Big Games

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

Week of 11/17100.0*Chance in playoffs100.0*Average seed
Bumbaugh 68.8 Miller 112.1 -8.7
-0.8
Olde 149.6 Gronk 130 -1.9
+0.1
49ers 133.7 geoffinitely 156.3 +1.8
-0.1
Wham 165.3 Forgotten 0 -1.8
-0.1
Riley 72.9 Ford 124.8 -0.6
Be Like 94.5 Baste 131.6 -0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Bumbaugh 138.3 Forgotten 0 +0.8
+0.6
49ers 90.5 Baste 76.9 Out
-0.1
Wham 91.9 geoffinitely 112.5 +0.8
-0.1
Riley 85.5 Miller 111.2 -0.1
-0.2
Be Like 112.3 Gronk 146.9 -0.2
If winner is:HomeAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
geoffinitely vs Bumbaugh-1.1+1.1
Olde vs Miller+0.3-0.3
Gronk vs 49ers-0.2+0.2
Baste vs Wham+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs123456789101112Count
01-0Out25601509,599,886
0-1Out1950319,595,610
Total:Out123017251519,195,496
Points
Chance Will Make Playoffs