How are these numbers calculated?

Big Games

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

Week of 3/16100.0*Chance in playoffs100.0*Average seed
Express 17 Vanguard 17 +9.2
+1.1
Bullets 28 Goldminers 18 -3.4
-0.1
Battalion 16 Hydras 27 +0.3
Screamin' Jawas 25 Racers 27 -0.2
Triads 15 Assassins 20 -0.1
Tornadoes 20 Spartans 15 -0.0
Dragons 17 Shrubdogs 15 -0.0
Rowdy Kilts 23 Platinum Pros 36 -0.0
Week of 3/23100.0*Chance in playoffs100.0*Average seed
Express 21 Battalion 30 -27.4
-3.0
Bullets 22 Vanguard 32 +10.2
+0.3
Goldminers 18 Hydras 29 -0.1
-0.0
Screamin' Jawas 15 Shrubdogs 17 +0.5
Dragons 25 Tycoon$ 27 +0.3
Assassins 11 Racers 19 -0.2
Bullies 25 Devils 11 +0.0
Spartans 13 Heartbreakers 19 -0.0
Platinum Pros 24 Barracudas 11 +0.0
If winner is:HomeTieAway
Week of 3/30100.0*Chance in playoffs100.0*Average seed
Goldminers vs Express-52.6-0.4+10.6
-3.7-1.1+0.9
Bullets vs Hydras-50.7-3.0+8.5
-1.9-0.1+0.3
Vanguard vs Battalion+0.2+0.2-2.1
+0.0+0.0-0.1
Tornadoes vs Heartbreakers-0.6-0.3+0.1
Triads vs Barracudas+0.2-0.1-0.4
Shrubdogs vs Tycoon$+0.3+0.3-0.1
Platinum Pros vs Dragons+0.1-0.3-0.1
Assassins vs Screamin' Jawas+0.3+0.0-0.1
Akulas vs Devils+0.1+0.0-0.0

What If

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

100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678910111213141516171819202122Count
111-0-092.8%529342237024,781,624
100-0-181.818234288643,304,010
90-1-029.619101125434,978,794
Total:82.2%3222619102639033,064,428
Games Above .500
Chance Will Make Playoffs