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 +2.0
Etomi 74 Bersin 78 -1.7
-0.6
Dumas 111 Burrow 82 -1.4
-0.3
Li 69 Anderson 58 -1.1
-0.0
Lankford 99 Henderson 85 -0.8
-0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Etomi 62 Dumas 83 -2.9
-0.9
Ellerbe 72 Anderson 62 -2.8
-0.1
Burrow 76 Li 89 -1.4
-0.1
If winner is:HomeTieAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Singer vs Etomi-12.1-0.3In
-0.9-0.1+0.9
Ellerbe vs Lankford-11.9-11.7In
-0.2-0.2+0.2
Li vs Segal-6.5-6.3+6.6
-0.2-0.1+0.2
Henderson vs Dumas+4.1-3.7-4.0
+0.7-0.1-0.7

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
81-0-0In771587,909,482
7.50-0-187.6%50132512159,429
70-1-075.7261337247,910,577
Total:87.9%5214221215,979,488
Games Above .500
Chance Will Make Playoffs