How are these numbers calculated?

Big Games

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

Week of 8/30100.0*Chance in playoffs100.0*Average seed
Illinois 17 Non-Conference 28 -5.2
-0.7
Nebraska 38 Non-Conference 14 -0.5
-0.1
Non-Conference 10 Iowa 45 -0.5
-0.1
Michigan State 37 Non-Conference 20 -0.5
-0.1
Purdue 55 Non-Conference 14 -0.5
-0.1
Indiana 14 Non-Conference 42 +0.5
+0.1
Non-Conference 0 Minnesota 45 -0.5
-0.1
Penn State 27 Non-Conference 14 -0.5
-0.1
Ohio State 21 Non-Conference 17 -0.4
-0.1
Non-Conference 38 Northwestern 28 +0.4
+0.1
Wisconsin 17 Non-Conference 27 +0.4
+0.1
Michigan 28 Non-Conference 14 -0.4
-0.1
If winner is:HomeAway
Week of 9/8100.0*Chance in playoffs100.0*Average seed
Non-Conference vs Illinois-4.8+4.8
-0.7+0.7
Minnesota vs Non-Conference-0.5+0.5
-0.1+0.1
Iowa vs Non-Conference-0.5+0.5
-0.1+0.1
Non-Conference vs Purdue+0.5-0.5
+0.1-0.1
Non-Conference vs Nebraska+0.5-0.5
+0.1-0.1
Michigan vs Non-Conference-0.5+0.5
-0.1+0.1
Non-Conference vs Michigan State+0.4-0.4
+0.1-0.1
Non-Conference vs Penn State+0.4-0.4
+0.1-0.1
Ohio State vs Non-Conference-0.4+0.4
-0.1+0.1
Non-Conference vs Wisconsin+0.4-0.4
+0.1-0.1
Northwestern vs Non-Conference-0.4+0.4
-0.1+0.1
Non-Conference vs Indiana+0.3-0.3
+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
1111-099.0%9361002,980
1010-194.07717410000023,357
99-279.653261252100000116,305
88-353.72826191274210000347,893
77-426.3101617161310753100696,058
66-58.526912141413119631975,818
55-61.6013581013141514116972,974
44-70.200012471115192219696,132
33-80.0000001248162741347,621
22-90.00000001272267116,176
11-10Out0000002118623,222
00-11Out002972,940
Total:13.6%677888899910104,321,476
Games Above .500
Chance Will Make Playoffs

Lottery

Ye of little faith, already thinking about next year. Here are the big games and what ifs for draft seeds.

Big Games

Week of 8/30100.0*Lottery seed
Illinois 17 Non-Conference 28 +0.8
Non-Conference 10 Iowa 45 +0.1
Nebraska 38 Non-Conference 14 +0.1
Michigan State 37 Non-Conference 20 +0.1
Purdue 55 Non-Conference 14 +0.1
Indiana 14 Non-Conference 42 -0.1
Wisconsin 17 Non-Conference 27 -0.1
Non-Conference 0 Minnesota 45 +0.1
Ohio State 21 Non-Conference 17 +0.1
Non-Conference 38 Northwestern 28 -0.1
Michigan 28 Non-Conference 14 +0.1
Penn State 27 Non-Conference 14 +0.1
If winner is:HomeAway
Week of 9/8100.0*Lottery seed
Non-Conference vs Illinois+0.8-0.8
Non-Conference vs Nebraska-0.1+0.1
Iowa vs Non-Conference+0.1-0.1
Non-Conference vs Michigan State-0.1+0.1
Northwestern vs Non-Conference+0.1-0.1
Non-Conference vs Purdue-0.1+0.1
Non-Conference vs Indiana-0.1+0.1
Non-Conference vs Wisconsin-0.1+0.1
Minnesota vs Non-Conference+0.1-0.1
Michigan vs Non-Conference+0.1-0.1
Non-Conference vs Penn State-0.1+0.1
Ohio State vs Non-Conference+0.1-0.1

What If

None

100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L12345678910111213
1111-00991
1010-109190
99-206232600
88-3183730123000
77-417202925134100
66-50014132427209200
55-600017193027132
44-700016234228
33-80032573
22-90595
11-10199
00-11100
Total:04567788910111214