How are these numbers calculated?

Big Games

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

If winner is:HomeDrawAway
Week of 12/5100.0*Chance wins title100.0*Average seed
Beach SB vs Legends-3.5-2.2+3.0
-0.9-0.3+0.7
Galaxy vs Legends-3.6-2.5+2.3
-1.0-0.4+0.6
Beach LB vs RSC-1.4+0.5+1.4
Arsenal vs Beach LB+1.5+0.8-1.1
-0.1+0.0+0.0
CUFC vs SDSC+1.4+0.8-0.6
+0.1+0.1-0.0
IE Surf vs SDSC+1.4+0.9-0.5
+0.1+0.1-0.0
Galaxy vs SD Surf+0.8+0.5-0.4
+0.1+0.1-0.0
CUFC vs SD Surf+0.8+0.6-0.4
+0.1+0.1-0.1
IE Surf vs Arsenal+0.2+0.2-0.1
+0.2+0.1-0.1
Rebels vs RSC+0.2+0.1-0.1
+0.1+0.1-0.0
Strikers SC vs Beach SB+0.1+0.0-0.0

What If

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

100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins title123456789101112Count
287-0-078.2%78210261,802
266-1-046.5474670546,477
256-0-127.3275319101,076,873
245-2-015.6165130300496,535
235-1-15.25344614101,934,559
225-0-21.211746305001,840,805
4-3-02.1224492320247,037
214-2-10.307364213101,431,541
204-1-20.0021844306002,696,051
3-4-00.1032647213073,874
194-0-30.0006304219201,654,961
3-3-10.000937391310563,746
183-2-2No021843325001,571,831
2-5-0No032646232013,171
173-1-3No005284519201,908,958
2-4-1No011036421110124,308
163-0-4No01114138900848,714
2-3-2No0217463150455,327
1-6-0No3234922201,313
152-2-3No00429471910819,193
1-5-1No008384212014,269
142-1-4No01104139800722,276
1-4-2No0117473140064,870
0-7-0No6204327451
132-0-5No02224825300250,182
1-3-3No00430471820156,011
0-6-1No0741391200659
121-2-4No00104238900204,720
0-5-2No1154830603,692
111-1-5No0120472740140,278
0-4-3No032747202010,981
101-0-6No05334614038,960
0-3-4No009404010019,310
90-2-5No01204928219,625
80-1-6No043254910,850
70-0-7No01266226,774
Total:4.8%5111719171494210020,230,584
Points
Chance Will Win Championship