How are these numbers calculated?

Lottery

We are out of the playoffs. Here are the big games and what ifs for draft seeds.
Although it might be more fun to go down swinging.

Big Games

Week of 10/8100.0*Lottery seed
Midway Monsters 260.88 Phil 250.4 -0.3
CP84 309.06 gatorbait 231.82 +0.1
BlitzBurgh 250.34 Desert Storm 294.04 +0.1
Big T 250.26 saintspelicans23 257.84 -0.0
If winner is:HomeTieAway
Week of 10/15100.0*Lottery seed
gatorbait vs Midway Monsters+0.5+0.1-0.3
Desert Storm vs Big T+0.0-0.0-0.1

What If

100100100100100100100100100100
If finish:Chance will finish season at seed
TPW-L-T12345678910
249-0-023291461
238-0-1232824520
228-1-0212654250
7-0-223264443
217-1-1202483980
207-2-017211234141
6-1-218221133141
196-2-1161915301820
5-1-3100
186-3-0141717252250
5-2-215171725224
175-3-1131618202580
4-2-3100
165-4-0121419142513200
4-3-21115201525121
154-4-110132092220600
3-3-3100
144-5-0810175132718200
3-4-281019514261710
133-5-1671425292970
123-6-04591121312620
2-5-245100221332320
112-6-12350012234950
1-5-35050
102-7-01120061163133
1-6-211361165112
91-7-100102368179
81-8-00000011531926
0-7-211601523
70-8-100000401347
60-9-00000021772
Total:1113151415149710
Games Above .500
Chance Will Win Championship