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
LAC 28 MIN 21 +13.5
+1.1
PIT 17 BUF 38 +3.3
+0.1
BAL 27 NYJ 24 -3.3
-0.1
ARI 34 CLE 24 +1.5
+0.1
NO 14 IND 28 -1.3
-0.1
KC 17 DEN 3 +1.3
+0.1
CIN 34 NE 30 +0.1
Saturday, 5/16100.0*Chance in playoffs100.0*Average seed
LAC 21 OAK 13 In
+0.9
NYJ 17 PIT 20 -2.6
-0.1
IND 10 CAR 38 +2.5
+0.0
TB 17 HOU 31 -0.9
-0.1
CLE 28 BAL 34 -0.4
CHI 7 KC 42 -0.7
Sunday, 5/17100.0*Chance in playoffs100.0*Average seed
KC 14 LAC 31 +2.0

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678910111213141516Count
11.50-0-0In100914,544
Total:In100914,544
Games Above .500
Chance Will Make Playoffs