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
Nationals 401 Mets 277.5 +1.0
Astros 138 Rangers 277.5 +0.2
Phillies 302 Braves 202 -0.1
Rockies 232.5 Dodgers 265.5 +0.1
Blue Jays 279 Rays 329.5 +0.1
Yankees 290 Red Sox 367 -0.1
Week of 8/19100.0*Lottery seed
Phillies 268.5 Mets 321 -0.9
Rays 270 Red Sox 329.5 -0.2
Rockies 293 Giants 144 -0.1
Nationals 287 Braves 217 -0.1
Yankees 237 Blue Jays 218.5 +0.1
Angels 289 Rangers 238.5 -0.1
If winner is:HomeTieAway
Week of 8/26100.0*Lottery seed
Braves vs Mets+0.5+0.5-0.5
Dodgers vs Giants+0.3-0.2-0.2
Rangers vs Mariners+0.3-0.2-0.2

What If

100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L-T123456789101112131415161718192021222324
101-0-059338
9.50-0-193458
90-1-0934580
Total:3333330
Games Above .500
Chance Will Make Playoffs