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
Nonnie 85 Brenna 96 -20.6
-0.9
Dar 96 Luke 52 -3.6
-0.1
Isaac 53 Spencer 88 -2.5
-0.1
Graham 99 Scott 84 +2.4
+0.1
Kelsie 68 Kara 89 +1.9
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-24.4+24.4
-0.9+0.9
Graham vs Spencer+7.1-7.1
+0.2-0.2
Dar vs Kelsie-6.9+6.9
-0.1+0.1
Rodney vs Brenna+6.2-6.2
+0.1-0.1
Isaac vs Scott-1.7+1.7
Nick vs Poppa-0.7+0.7

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678910111213141516Count
72-0-097.7%2544122,408,971
61-1-044.0539401424,819,448
50-2-0Out3184229712,409,517
Total:46.4%116302112117209,637,936
Games Above .500
Chance Will Make Playoffs