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
Bullets 28 Goldminers 18 +18.5
+2.5
Express 17 Vanguard 17 -1.6
-0.0
Battalion 16 Hydras 27 +0.2
Bullies 21 Akulas 14 +0.1
Tornadoes 20 Spartans 15 -0.1
Week of 3/23100.0*Chance in playoffs100.0*Average seed
Bullets 22 Vanguard 32 -26.8
-2.8
Express 21 Battalion 30 +15.1
+0.5
Goldminers 18 Hydras 29 -0.5
-0.2
Tornadoes 18 Akulas 14 -0.1
Spartans 13 Heartbreakers 19 -0.1
Screamin' Jawas 15 Shrubdogs 17 +0.1
Bullies 25 Devils 11 +0.1
Triads 22 Rowdy Kilts 17 +0.1
Dragons 25 Tycoon$ 27 +0.0
If winner is:HomeTieAway
Week of 3/30100.0*Chance in playoffs100.0*Average seed
Bullets vs Hydras+31.6+0.2-31.6
+2.3-0.3-2.2
Goldminers vs Express+23.4+0.2-23.4
+0.8+0.1-0.8
Vanguard vs Battalion+3.7+3.7-4.5
+0.2+0.2-0.3
Triads vs Barracudas+0.2+0.1-0.2
Akulas vs Devils+0.2-0.1-0.2
Tornadoes vs Heartbreakers-0.2+0.0+0.2
Shrubdogs vs Tycoon$+0.2-0.0-0.2
Assassins vs Screamin' Jawas+0.1-0.0-0.1
Platinum Pros vs Dragons+0.1-0.1-0.0

What If

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

100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678910111213141516171819202122Count
111-0-082.1%825291641714,294,764
100-0-150.81513221028174954,631
90-1-018.971173033114,298,081
Total:50.5%4111487614151559,547,476
Games Above .500
Chance Will Make Playoffs