How are these numbers calculated?

Big Games

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

Week of 1/25100.0*Chance in playoffs100.0*First Round Bye100.0*Average seed
Miami 9 Houston 12 +9.0
+35.2
+0.7
If winner is:HomeAway
Houston vs TexasIn-9.8
+4.8-23.1
+0.1-0.5
St. Louis vs Houston-5.4In
-59.3+22.5
-0.8+0.3
If winner is:HomeAway
Week of 2/1100.0*Chance in playoffs100.0*First Round Bye100.0*Average seed
St. Louis vs Miami+1.0-2.7
-3.9+10.6
Texas vs St. Louis+0.7-0.4
-4.7+2.6

What If

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

100100100100
If finish:Chance inFirstChance will finish regular season at seed
TWW-LplayoffsRound Bye1234Count
32-0InYes10066,393,328
21-1In33.8%3461538,955,756
10-257.4%No1642435,301,404
Total:98.0%71.9%722242110,650,488
Games Above .500
Chance Will Make Playoffs