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
LSU 10 Florida 16 -0.4
Auburn 55 FCS_Other 0 +0.3
Georgia 35 Louisiana-Lafayette 21 -0.2
Mississippi_State 42 Arkansas 58 -0.1
Tennessee 63 Missouri 37 -0.1
Texas_A&M 23 UTSA 10 -0.1
If winner is:HomeHome OTAway OTAway
Texas_A&M vs LSU-0.4-0.4+0.5+0.5
If winner is:HomeHome OTAway OTAway
Week of 11/25100.0*Average seed
Alabama vs Auburn-0.8-0.8+2.2+2.2
Georgia vs Georgia_Tech-0.5-0.5+0.6+0.6
Missouri vs Arkansas+0.4+0.4-0.5-0.5
Vanderbilt vs Tennessee+0.1+0.1-0.1-0.1

What If

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

100100100100100100100100100100100100100100
If finish:Chance will finish regular season at seed
TWW-LChance wins regular season title1234567891011121314Count
61-0No781486,542
50-0No23821151816169,114,292
0-1No26262124216,542
Total:No23821151816169,127,376
Games Above .500
Chance Will Win Regular Season Title