How are these numbers calculated?

Big Games

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

Week of 10/4100.0*Chance wins regular season title100.0*Top 4100.0*Worst record100.0*Average seed
Ole Miss 23 Alabama 17 +11.0
+12.9
-0.3
+1.0
Tennessee 9 Florida 10 -1.1
-1.1
-0.1
Mississippi State 48 Texas A&M 31 +0.7
+0.1
Georgia 44 Vanderbilt 17 -0.4
-0.7
-0.1
-0.0
Auburn 41 LSU 7 -0.3
-0.2
Kentucky 45 South Carolina 38 -0.2
+0.1
If winner is:HomeAway
Week of 10/11100.0*Chance wins regular season title100.0*Top 4100.0*Worst record100.0*Average seed
Texas A&M vs Ole Miss-18.7+14.5
-16.8+13.0
-1.1+0.9
Florida vs LSU-1.3+2.1
-0.9+1.6
-0.1+0.1
Mississippi State vs Auburn+0.4-0.3
-0.1+0.1
Arkansas vs Alabama-0.2+0.2
Missouri vs Georgia-0.1+0.1
+0.2-0.2

What If

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

100100100100100100100100100100100100100100
If finish:Chance will finish regular season at seedWorst
TWW-LChance wins regular season titleTop 41234567891011121314recordCount
65-0InYes982No1,383,825
54-190.9%99.8%613081000No3,978,707
43-235.783.011242819952000No4,519,088
32-31.723.102714192115974100No2,518,299
21-4Out0.1002714192215119200.0%688,802
10-5OutNo00161728232411.376,771
Total:50.5%73.6%3318131076433211000.0%13,165,492
Games Above .500
Chance Will Win Regular Season Title