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
Isaac 53 Spencer 88 Out
-1.0
Nonnie 85 Brenna 96 +0.6
-0.2
Dar 96 Luke 52 -0.3
-0.1
Graham 99 Scott 84 -0.2
+0.1
Jake 117 Nick 98 +0.2
Kelsie 68 Kara 89 +0.1
+0.1
Rodney 125 Dave 99 -0.2
If winner is:HomeAway
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Isaac vs Scott+0.9-0.9
Dar vs Kelsie+0.2-0.2
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
52-0-0Out113632122,411,784
41-1-0Out52441304,817,925
30-2-0Out19812,408,227
Total:Out03181726369,637,936
Games Above .500
Chance Will Make Playoffs