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 +0.2
-0.2
Isaac 53 Spencer 88 Out
-0.8
Dar 96 Luke 52 -0.0
-0.0
Graham 99 Scott 84 -0.0
+0.0
Kelsie 68 Kara 89 +0.1
Rodney 125 Dave 99 -0.3
If winner is:HomeAway
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Isaac vs Scott+1.0-0.7
Dar vs Kelsie+0.1-0.3
Rodney vs Brenna-0.1+0.1

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678910111213141516Count
52-0-0Out016641911,765,853
41-1-0Out1440331213,011,606
30-2-0Out109014,779,549
Total:Out011019205029,557,008
Games Above .500
Chance Will Make Playoffs