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
Michigan_State 16 Ohio_State 17 -0.1
Purdue 20 Wisconsin 49 +0.0
Rutgers 0 Penn_State 39 -0.0
If winner is:HomeHome OTAway OTAway
Week of 11/25100.0*Average seed
Penn_State vs Michigan_State-0.3-0.3+1.4+1.4
Maryland vs Rutgers-0.1-0.1+0.3+0.3
Indiana vs Purdue+0.0+0.0-0.2-0.2
Northwestern vs Illinois-0.0-0.0+0.2+0.2

What If

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

100100100100100100100100100100100100100100
If finish:Chance will finish regular season at seed
TWW-LChance wins regular season title1234567891011121314Count
21-0No801826,542
10-0No121276169,114,292
0-1No11896,542
Total:No121276169,127,376
Games Above .500
Chance Will Win Regular Season Title