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 -2.5
-0.9
Dar 96 Luke 52 -0.8
Graham 99 Scott 84 +0.8
Isaac 53 Spencer 88 -0.8
Nonnie 85 Brenna 96 +0.6
+0.1
Jake 117 Nick 98 -0.2
Rodney 125 Dave 99 +0.1
Kelsie 68 Kara 89 -0.1
If winner is:HomeAway
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Nick vs Poppa-5.2In
-0.9+0.9
Graham vs Spencer+2.5-2.5
+0.1-0.1
Dave vs Nonnie+2.5-2.5
-0.1+0.1
Dar vs Kelsie-2.5+2.5
-0.1+0.1
Rodney vs Brenna+1.3-1.3
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
8.52-0-0In23748132,411,133
7.51-1-0In1663224,818,327
6.50-2-079.1%374218302,408,476
Total:94.8%19203520114109,637,936
Games Above .500
Chance Will Make Playoffs