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
Pittsburgh 56 Duke 14 -0.9
Syracuse 14 Florida_State 45 +0.2
Boston_College 30 Connecticut 0 -0.2
North_Carolina_State 13 Miami 27 -0.1
Georgia_Tech 31 Virginia 17 +0.0
If winner is:HomeHome OTAway OTAway
Week of 11/25100.0*Average seed
Miami vs Duke-0.4-0.4+0.4+0.4
Pittsburgh vs Syracuse+0.3+0.3-0.3-0.3
Wake_Forest vs Boston_College+0.1+0.1-0.1-0.1
North_Carolina vs North_Carolina_State-0.1-0.1+0.1+0.1

What If

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

100100100100100100100100100100100100100100
If finish:Chance will finish regular season at seed
TWW-LChance wins regular season title1234567891011121314Count
21-0No2438372,160
10-0No13196955,862,160
0-1No1002,160
Total:No13196955,866,480
Games Above .500
Chance Will Win Regular Season Title