How are these numbers calculated?

Big Games

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

Week of 11/23100.0*Chance in playoffs100.0*Average seed
Kara 53 Poppa 95 +1.1
+0.4
Aunt Sandy 88 Uncle Dave 59 +0.8
Nonnie 41 Aunt Dar 100 -0.3
+0.1
Isaac 75 Jake 86 -0.3
Spencer 92 Uncle Scott 37 -0.2
+0.1
Graham 98 Uncle Rodney 111 +0.1
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Isaac 48 Poppa 106 +1.6
+0.7
Nonnie 86 Jake 93 Out
-0.1
Spencer 106 Uncle Dave 129 Out
Kara 106 Uncle Scott 93 +0.1
If winner is:HomeAway
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Nonnie vs Poppa-0.5+0.5

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
61-0Out1009,644,417
50-1Out1009,641,511
Total:Out505019,285,928
Games Above .500
Chance Will Make Playoffs