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 8/12100.0*Lottery seed
Brewers 260.5 Pirates 295.5 -0.2
Angels 320.5 Mariners 276 +0.2
Week of 8/19100.0*Lottery seed
Mariners 195 Astros 155 -0.2
Brewers 225.5 Cubs 218 +0.2
If winner is:HomeTieAway
Week of 8/26100.0*Lottery seed
Brewers vs Reds+0.3-0.2-0.2
Rangers vs Mariners+0.2+0.2-0.3

What If

100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L-T123456789101112131415161718192021222324
31-0-07525
2.50-0-12575
20-1-02575
Total:5050
Games Above .500
Chance Will Make Playoffs