How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Friday, 5/15100.0*Chance in playoffs100.0*Average seed
TEN 10 HOU 17 +23.3
+1.6
NO 14 IND 28 -2.8
-0.2
PIT 17 BUF 38 +1.0
BAL 27 NYJ 24 -0.9
-0.1
LAC 28 MIN 21 -0.4
-0.1
CIN 34 NE 30 +0.1
ARI 34 CLE 24 +0.0
KC 17 DEN 3 +0.0
Saturday, 5/16100.0*Chance in playoffs100.0*Average seed
IND 10 CAR 38 In
+0.2
TB 17 HOU 31 In
+0.6
NYJ 17 PIT 20 -0.5
+0.0
CLE 28 BAL 34 -0.4
+0.1
LAC 21 OAK 13 -0.1
Sunday, 5/17100.0*Chance in playoffs100.0*Average seed
BAL 31 PIT 14 -0.4
KC 14 LAC 31 -0.2

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678910111213141516Count
10-11In100914,544*
Total:In100914,544

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs