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
Tornadoes 20 Spartans 15 +18.6
+2.6
Bullies 21 Akulas 14 +1.9
+0.1
Devils 19 Heartbreakers 28 -0.6
Battalion 16 Hydras 27 +0.1
Bullets 28 Goldminers 18 -0.1
Express 17 Vanguard 17 -0.1
Week of 3/23100.0*Chance in playoffs100.0*Average seed
Tornadoes 18 Akulas 14 +24.6
+2.5
Bullies 25 Devils 11 +10.9
+0.4
Spartans 13 Heartbreakers 19 -5.6
-0.2
Screamin' Jawas 15 Shrubdogs 17 +0.1
Bullets 22 Vanguard 32 +0.1
Assassins 11 Racers 19 +0.1
Triads 22 Rowdy Kilts 17 +0.1
Express 21 Battalion 30 +0.1
If winner is:HomeTieAway
Week of 3/30100.0*Chance in playoffs100.0*Average seed
Tornadoes vs HeartbreakersInIn-20.7
+2.8+0.0-2.8
Akulas vs DevilsInIn-20.6
+0.4+0.4-0.5
Goldminers vs Express+0.1+0.0-0.1
Triads vs Barracudas+0.2+0.0-0.2
Shrubdogs vs Tycoon$+0.1+0.0-0.1
Assassins vs Screamin' Jawas+0.1+0.2-0.1
Bullets vs Hydras-0.1-0.0+0.1
Platinum Pros vs Dragons-0.0+0.1+0.0

What If

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

100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678910111213141516171819202122Count
121-0-0In18463064,297,451
110-0-1In925302411955,325
100-1-062.5%14152914191634,294,700
Total:83.1%821146591468729,547,476
Games Above .500
Chance Will Make Playoffs