How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/18100.0*Average seed
Vanderbilt 38 Mississippi 17 -1.5
Texas_A&M 23 UTSA 10 -0.3
Georgia 35 Louisiana-Lafayette 21 -0.2
South_Carolina 44 FCS_Other 31 -0.2
Kentucky 49 FCS_Other 13 -0.2
Mississippi_State 42 Arkansas 58 +0.2
LSU 10 Florida 16 +0.1
If winner is:HomeHome OTAway OTAway
Week of 11/25100.0*Average seed
Mississippi vs Mississippi_State+0.8+0.8-0.8-0.8
Vanderbilt vs Tennessee-0.3-0.3+0.3+0.3
Clemson vs South_Carolina+0.1+0.1-0.1-0.1

What If

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

100100100100100100100100100100100100100100
If finish:Chance will finish regular season at seed
TWW-LChance wins regular season title1234567891011121314Count
31-0No1237512,160
20-0No619255055,862,160
0-1No1002,160
Total:No619255055,866,480
Games Above .500
Chance Will Win Regular Season Title