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
Ellerbe 89 Segal 90 -16.1
-0.6
Dumas 111 Burrow 82 -3.7
-0.1
Li 69 Anderson 58 -1.9
-0.1
Fornshell 91 Singer 81 +0.1
Lankford 99 Henderson 85 -0.1
Etomi 74 Bersin 78 -0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Ellerbe 72 Anderson 62 +24.2
+0.6
Burrow 76 Li 89 -10.5
-0.1
Etomi 62 Dumas 83 -9.9
-0.2
If winner is:HomeTieAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Ellerbe vs Lankford+43.6+30.9Out
+0.6+0.4-0.6
Li vs Segal-6.4+5.6+6.3
-0.3+0.2+0.2
Singer vs Etomi+6.2+6.0-6.4
+0.1+0.1-0.1
Henderson vs Dumas+6.1-2.1-6.0
+0.1-0.0-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
7.51-0-087.7%3850127,907,950
70-0-175.0255025159,282
6.50-1-0Out1007,912,256
Total:44.2%19255615,979,488
Games Above .500
Chance Will Make Playoffs