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 -2.5
-0.4
Indiana 14 Non-Conference 42 +0.2
Non-Conference 10 Iowa 45 -0.2
Michigan State 37 Non-Conference 20 -0.2
Nebraska 38 Non-Conference 14 -0.2
Penn State 27 Non-Conference 14 -0.2
Purdue 55 Non-Conference 14 -0.2
Wisconsin 17 Non-Conference 27 +0.2
Non-Conference 38 Northwestern 28 +0.2
Michigan 28 Non-Conference 14 -0.2
Ohio State 21 Non-Conference 17 -0.2
If winner is:HomeAway
Week of 9/8100.0*Chance in playoffs100.0*Average seed
Non-Conference vs Illinois-1.5+0.9
-0.5+0.3
Non-Conference vs Purdue+0.3-0.1
Iowa vs Non-Conference-0.1+0.3
Minnesota vs Non-Conference-0.1+0.3
-0.0+0.1
Non-Conference vs Michigan State+0.3-0.1
+0.1-0.0
Non-Conference vs Nebraska+0.2-0.1
+0.1-0.0
Ohio State vs Non-Conference-0.1+0.2
-0.0+0.1
Non-Conference vs Penn State+0.2-0.1
Michigan vs Non-Conference-0.1+0.2
-0.0+0.1
Non-Conference vs Wisconsin+0.1-0.0
Northwestern vs Non-Conference-0.0+0.1
Non-Conference vs Indiana+0.1-0.0

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
1111-073.9%4628115311000235,819
1010-145.2222317118532112542,699
99-232.415181613108642225244,034
88-321.9101213121110875335825,824
77-414.168910111110986561,847,949
66-59.1546791011111110982,840,813
55-66.64234681011131413113,074,081
44-75.8421235710131719162,340,763
33-85.951112357121824231,224,958
22-96.5520011259172930422,058
11-107.252000012615313885,289
00-116.05100001211324710,141
Total:9.6%5456789101112131212,964,428
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
Indiana 14 Non-Conference 42 -0.1
Non-Conference 38 Northwestern 28 -0.1
Wisconsin 17 Non-Conference 27 -0.1
Non-Conference 0 Minnesota 45 +0.1
Penn State 27 Non-Conference 14 +0.1
Ohio State 21 Non-Conference 17 +0.1
Michigan 28 Non-Conference 14 +0.1
Purdue 55 Non-Conference 14 +0.1
If winner is:HomeAway
Week of 9/8100.0*Lottery seed
Non-Conference vs Illinois+0.8-0.5
Non-Conference vs Wisconsin-0.1+0.1
Non-Conference vs Indiana-0.1+0.1
Northwestern vs Non-Conference+0.1-0.1
Iowa vs Non-Conference+0.0-0.1
Non-Conference vs Nebraska-0.1+0.0
Non-Conference vs Michigan State-0.1+0.0
Ohio State vs Non-Conference+0.0-0.1
Michigan vs Non-Conference+0.0-0.1
Minnesota vs Non-Conference+0.0-0.1
Non-Conference vs Purdue-0.1+0.0
Non-Conference vs Penn State-0.1+0.0

What If

None

100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L12345678910111213
1111-015823
1010-14722220
99-202842236100
88-302132830196100
77-40021023302310200
66-50000161831281330
55-60000162137287
44-700002154340
33-80022178
22-900595
11-10199
00-11100
Total:012345681012141720