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
Michigan State 37 Non-Conference 20 +5.2
+0.7
Ohio State 21 Non-Conference 17 -0.6
-0.1
Illinois 17 Non-Conference 28 +0.6
+0.1
Purdue 55 Non-Conference 14 -0.6
-0.1
Non-Conference 10 Iowa 45 -0.6
-0.1
Wisconsin 17 Non-Conference 27 +0.5
+0.1
Non-Conference 38 Northwestern 28 +0.5
+0.1
Penn State 27 Non-Conference 14 -0.5
-0.1
Indiana 14 Non-Conference 42 +0.5
+0.1
Michigan 28 Non-Conference 14 -0.5
-0.1
Nebraska 38 Non-Conference 14 -0.5
-0.1
Non-Conference 0 Minnesota 45 -0.5
-0.1
If winner is:HomeAway
Week of 9/8100.0*Chance in playoffs100.0*Average seed
Non-Conference vs Michigan State-5.6+5.6
-0.7+0.7
Non-Conference vs Purdue+0.6-0.6
+0.1-0.1
Minnesota vs Non-Conference-0.6+0.6
-0.1+0.1
Iowa vs Non-Conference-0.6+0.6
-0.1+0.1
Non-Conference vs Penn State+0.6-0.6
+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
Ohio State vs Non-Conference-0.5+0.5
-0.1+0.1
Non-Conference vs Illinois+0.5-0.5
+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+0.4-0.4
+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
1211-099.7%9640002,948
1110-196.58314310000023,349
109-285.8622493100000116,055
98-363.33627171053110000348,109
87-434.815201916128532100696,437
76-513.049121414131196421974,116
65-63.0125710121414131183974,680
54-70.400124691316181813696,093
43-80.00000123611182733347,640
32-9Out0000124102559115,893
21-10Out0000013158123,273
10-11Out0005952,883
Total:17.3%9999988888884,321,476
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
Michigan State 37 Non-Conference 20 -0.8
Illinois 17 Non-Conference 28 -0.1
Purdue 55 Non-Conference 14 +0.1
Penn State 27 Non-Conference 14 +0.1
Non-Conference 38 Northwestern 28 -0.1
Wisconsin 17 Non-Conference 27 -0.1
Ohio State 21 Non-Conference 17 +0.1
Non-Conference 10 Iowa 45 +0.1
Michigan 28 Non-Conference 14 +0.1
Nebraska 38 Non-Conference 14 +0.1
Indiana 14 Non-Conference 42 -0.1
Non-Conference 0 Minnesota 45 +0.1
If winner is:HomeAway
Week of 9/8100.0*Lottery seed
Non-Conference vs Michigan State+0.8-0.8
Non-Conference vs Penn State-0.1+0.1
Non-Conference vs Purdue-0.1+0.1
Non-Conference vs Illinois-0.1+0.1
Michigan vs Non-Conference+0.1-0.1
Minnesota vs Non-Conference+0.1-0.1
Non-Conference vs Nebraska-0.1+0.1
Ohio State vs Non-Conference+0.1-0.1
Non-Conference vs Indiana-0.1+0.1
Northwestern vs Non-Conference+0.1-0.1
Iowa vs Non-Conference+0.1-0.1
Non-Conference vs Wisconsin-0.1+0.1

What If

None

100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L12345678910111213
1211-001000
1110-10981
109-20901000
98-3059347100
87-4163631143000
76-5161728271551000
65-600031122282211300
54-7000016172929153
43-80015224231
32-90022474
21-100595
10-110100
Total:0111010999888776