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
Illinois 0 Iowa 28 +0.2
Purdue 20 Wisconsin 49 -0.1
Rutgers 0 Penn_State 39 +0.1
Michigan_State 16 Ohio_State 17 +0.0
If winner is:HomeHome OTAway OTAway
Week of 11/25100.0*Average seed
Northwestern vs Illinois+0.1+0.1-1.0-1.0
Maryland vs Rutgers+0.1+0.1-0.9-0.9
Penn_State vs Michigan_State+0.1+0.1-0.6-0.6
Indiana vs Purdue-0.1-0.1+0.4+0.4

What If

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

100100100100100100100100100100100100100100
If finish:Chance will finish regular season at seed
TWW-LChance wins regular season title1234567891011121314Count
21-0No9376,542
10-0No6920101169,114,292
0-1No65221216,542
Total:No6920101169,127,376
Games Above .500
Chance Will Win Regular Season Title