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 +3.5
+0.5
Carolina 33 Washington 20 +1.3
Tampa Bay 18 Chicago 24 -0.8
Detroit 16 Atlanta 23 -0.2
-0.1
New Orleans 62 Indianapolis 7 -0.2
-0.0
Cleveland 6 Seattle 3 +0.1
+0.1
Minnesota 27 Green Bay 33 -0.1
Arizona 20 Pittsburgh 32 +0.1
+0.0
If winner is:HomeAway
Week of 10/30100.0*Chance in playoffs100.0*Average seed
Philadelphia vs Dallas-11.4+11.3
-0.9+0.9
NY Giants vs Miami-2.0+5.1
-0.1+0.3
Buffalo vs Washington+1.6-3.1
+0.1-0.2
Denver vs Detroit+1.2-0.6
St. Louis vs New Orleans+0.1-0.0
Carolina vs Minnesota-0.0+0.1
San Francisco vs Cleveland-0.0+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
1310-0In32571103,587
129-1In847387025,196
118-299.8%1214432110083,591
107-394.0042359265100160,014
96-461.204510619145100197,582
85-517.30170082428175100165,364
74-61.310021329321740095,408
63-70.00003163533121036,829
52-8Out0732461409,212
41-9Out6474341,279
30-10Out137116143
Total:53.1%051233138997643100778,205
Games Above .500  (Full Screen)
Chance Will Make Playoffs  (Full Screen)

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 -0.9
Carolina 33 Washington 20 -0.1
Detroit 16 Atlanta 23 +0.1
Tampa Bay 18 Chicago 24 +0.0
Minnesota 27 Green Bay 33 -0.0
If winner is:HomeAway
Week of 10/30100.0*Lottery seed
Philadelphia vs Dallas+1.8-1.8
NY Giants vs Miami+0.2-0.5
Buffalo vs Washington-0.2+0.3
St. Louis vs New Orleans-0.2+0.0
Tennessee vs Indianapolis+0.0-0.1
Carolina vs Minnesota+0.0-0.1

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L1234567891011121314151617181920212223242526272829303132
1310-01715515110
129-1172521353700
118-2013182519312101000
107-30044194415013341000
96-40042031001561111731000
85-5021500002614201912621000
74-60100016142123181041000
63-70001311202622124100
52-801313283217510
41-9021532331520
30-1051946273
Total:0014571814001223455544332211100000