How are these numbers calculated?

Big Games

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

Week of 10/23100.0*Chance in playoffs100.0*Average seed
Dallas 34 St. Louis 7 +7.4
+1.1
Carolina 33 Washington 20 +0.9
New Orleans 62 Indianapolis 7 -0.4
-0.1
Minnesota 27 Green Bay 33 -0.4
Tampa Bay 18 Chicago 24 -0.4
Cleveland 6 Seattle 3 +0.2
+0.1
Arizona 20 Pittsburgh 32 +0.1
+0.1
Detroit 16 Atlanta 23 -0.1
If winner is:HomeAway
Week of 10/30100.0*Chance in playoffs100.0*Average seed
Philadelphia vs Dallas-10.6+10.6
-1.2+1.2
NY Giants vs Miami-2.9+2.9
-0.2+0.2
Buffalo vs Washington+1.9-1.9
+0.2-0.2
Denver vs Detroit+1.0-1.0
St. Louis vs New Orleans+0.4-0.4
Carolina vs Minnesota-0.2+0.2
Seattle vs Cincinnati-0.1+0.1

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516Count
1310-0In77230704
129-1In45505006,466
118-2100.0%155922220029,126
107-396.913037157830077,418
96-466.104182831318114100135,083
85-517.0011402102225177200162,280
74-61.401002922302410200135,241
63-70.0000172335258177,378
52-8Out0021338371129,008
41-9Out011345426,601
30-10Out22375745
Total:34.8%17911247899987531660,050
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 10/23100.0*Lottery seed
Dallas 34 St. Louis 7 -2.1
Carolina 33 Washington 20 -0.1
Detroit 16 Atlanta 23 +0.1
If winner is:HomeAway
Week of 10/30100.0*Lottery seed
Philadelphia vs Dallas+2.3-2.3
NY Giants vs Miami+0.3-0.3
Buffalo vs Washington-0.2+0.2
St. Louis vs New Orleans-0.1+0.1

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L1234567891011121314151617181920212223242526272829303132
1310-0706230
129-12817473500
118-23113821211202000
107-30162422141413361300
96-4004315171103581110741000
85-50013110002137111515141052100
74-600100000251016191914841000
63-700001410192421135100
52-800131225312071
41-90213343713
30-1001113751
Total:01354565112233344444554444332110