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
Dumas 111 Burrow 82 +24.8
+0.8
Ellerbe 89 Segal 90 +2.2
+0.1
Li 69 Anderson 58 -1.9
Etomi 74 Bersin 78 +0.2
+0.1
Lankford 99 Henderson 85 +0.1
Fornshell 91 Singer 81 +0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Etomi 62 Dumas 83 +9.4
+0.9
Burrow 76 Li 89 -3.7
-0.1
Ellerbe 72 Anderson 62 -3.3
-0.1
If winner is:HomeTieAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Henderson vs Dumas-5.9+0.2In
-1.2-0.6+0.3
Li vs Segal-3.9-3.8In
-0.1-0.1+0.0
Ellerbe vs Lankford-3.1-0.3In
-0.1-0.0+0.1
Singer vs Etomi+0.6-0.2-0.2
+0.8+0.5-0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
81-0-0In63135141,966,012
7.50-0-198.8%2949211528,070
70-1-092.7134336710,268,358
Total:98.6%531378152,762,440
Games Above .500
Chance Will Make Playoffs