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
Tycoon$ 21 Barracudas 22 +4.2
+0.1
Rowdy Kilts 23 Platinum Pros 36 +4.0
+0.5
Dragons 17 Shrubdogs 15 -0.1
-0.0
Screamin' Jawas 25 Racers 27 -0.2
Triads 15 Assassins 20 -0.1
Express 17 Vanguard 17 -0.1
Devils 19 Heartbreakers 28 +0.0
Tornadoes 20 Spartans 15 -0.0
Bullets 28 Goldminers 18 -0.0
Week of 3/23100.0*Chance in playoffs100.0*Average seed
Dragons 25 Tycoon$ 27 -15.2
-0.3
Platinum Pros 24 Barracudas 11 +4.5
+0.9
Screamin' Jawas 15 Shrubdogs 17 +0.4
Express 21 Battalion 30 +0.3
Bullies 25 Devils 11 +0.1
Spartans 13 Heartbreakers 19 -0.0
Bullets 22 Vanguard 32 -0.0
Tornadoes 18 Akulas 14 -0.0
If winner is:HomeTieAway
Week of 3/30100.0*Chance in playoffs100.0*Average seed
Platinum Pros vs DragonsInIn-11.0
+1.4+0.4-2.6
Triads vs BarracudasIn-5.2-9.0
+0.2-0.2-0.5
Shrubdogs vs Tycoon$InIn-1.4
+0.3+0.3-0.1
Vanguard vs Battalion-0.0-0.0+0.3
Racers vs Rowdy Kilts-0.1-0.1+0.4
Tornadoes vs Heartbreakers+0.3+0.1-0.0
Assassins vs Screamin' Jawas+0.2+0.1-0.0
Goldminers vs Express+0.1+0.1-0.0
Bullets vs Hydras-0.1+0.0+0.0

What If

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

100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678910111213141516171819202122Count
131-0-0In03257319,222,432
120-0-1In240471003,307,230
110-1-083.9%3203424415110,534,766
Total:94.9%0215466711815033,064,428
Games Above .500
Chance Will Make Playoffs