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
Sandy 128 Poppa 106 -1.0
-0.6
Nonnie 85 Brenna 96 +0.6
+0.1
Graham 99 Scott 84 +0.3
Dar 96 Luke 52 -0.2
Isaac 53 Spencer 88 -0.2
Jake 117 Nick 98 -0.1
Rodney 125 Dave 99 +0.1
If winner is:HomeAway
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Dave vs Nonnie+1.0-2.6
Nick vs Poppa-1.8In
-0.8+0.7
Graham vs Spencer+0.4-1.9
+0.0-0.1
Dar vs Kelsie-0.4+0.8
Rodney vs Brenna+0.6-0.5
Jake vs Sandy-0.1+0.1

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678910111213141516Count
8.52-0-0In02158216,032,811
7.51-1-0In11682115,048,755
6.50-2-094.7%64305008,475,442
Total:98.5%04173929910029,557,008
Games Above .500
Chance Will Make Playoffs