How are these numbers calculated?

Big Games

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

Week of 10/11100.0*Chance in playoffs100.0*Average seed
Houston 2 Kansas City 1 +17.2
+0.8
Portland 4 DC United 0 -0.1
Week of 10/15100.0*Chance in playoffs100.0*Average seed
Kansas City 0 Houston 0 +2.1
+0.0
Colorado 1 Salt Lake 0 +2.1
+0.1
Seattle 4 Dallas 0 +2.0
-0.1
Vancouver 1 San Jose 1 -1.0
-0.0
If winner is:HomeDrawAway
Week of 10/22100.0*Chance in playoffs100.0*Average seed
Houston vs Chicago+0.4-0.4-0.4
Seattle vs Colorado-0.1-0.1+0.4
Salt Lake vs Kansas City+0.2+0.2-0.3

What If

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

100100100100100100100100100100100
If finish:Chance inSupportersChance will finish regular season at seedWooden
TPW-D-LplayoffsShield1234567891011SpoonCount
501-0-0InNo76132No202,239,723
47-48InNo100No223,498,261*
Total:InNo32968No425,737,984

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs

Lottery

Why are you looking down here? We just made the playoffs!

Big Games

Week of 10/11100.0*Lottery seed
Houston 2 Kansas City 1 -1.4
Portland 4 DC United 0 +0.2
Week of 10/15100.0*Lottery seed
Seattle 4 Dallas 0 +0.2
Colorado 1 Salt Lake 0 -0.1
Kansas City 0 Houston 0 -0.1
Vancouver 1 San Jose 1 +0.0
If winner is:HomeDrawAway
Week of 10/22100.0*Lottery seed
Houston vs Chicago-0.8+0.7+0.7
Seattle vs Colorado+0.1+0.1-0.8
Salt Lake vs Kansas City-0.3-0.3+0.6

What If

100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPW-D-L12345678910111213141516171819202122
501-0-076132
47-48100
Total:32968