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*Average seed
Kelsie 68 Kara 89 +0.7
Rodney 125 Dave 99 +0.2
Jake 117 Nick 98 -0.1
Sandy 128 Poppa 106 -0.1
Graham 99 Scott 84 -0.1
If winner is:HomeAway
Week of 11/30100.0*Average seed
Kara vs Luke+0.7-0.7
Dave vs Nonnie-0.2+0.2
Graham vs Spencer-0.1+0.1

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678910111213141516Count
10.52-0-0In38622,408,374
9.51-1-0In23748124,819,083
8.50-2-0In1350372,410,479
Total:In1134271999,637,936
Games Above .500
Chance Will Make Playoffs