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 -16.4
-0.7
Ellerbe 89 Segal 90 +1.4
+0.0
Li 69 Anderson 58 -0.9
+0.1
Etomi 74 Bersin 78 -0.1
Lankford 99 Henderson 85 +0.0
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Burrow 76 Li 89 Out
-0.5
Ellerbe 72 Anderson 62 Out
+0.1
Segal 72 Fornshell 56 +0.0
If winner is:HomeTieAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Burrow vs Fornshell+0.6+0.2-0.8
Bersin vs Anderson+0.2-0.2-0.7
Singer vs Etomi-0.3-0.3+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
51-0-0Out831730,439,505
4.50-0-1Out54397528,359
40-1-0Out5340721,794,576
Total:Out483216352,762,440
Games Above .500
Chance Will Make Playoffs