How are these numbers calculated?

Big Games

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

Week of 8/19100.0*Chance in playoffs100.0*Average seed
Nationals 1452 Marlins 766 +32.1
+1.6
If winner is:HomeTieAway
Week of 8/26100.0*Chance in playoffs100.0*Average seed
Nationals vs OriolesInIn-3.0
+0.1+0.1-0.1
Phillies vs MarlinsInIn-3.0
+0.1+0.1-0.1

What If

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

100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112131415Count
11.5-13In1001,947,687*
110-2-088.0%88147615,033
Total:97.1%970122,562,720

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs

Lottery

Ye of little faith, already thinking about next year. Here are the big games and what ifs for draft seeds.

Big Games

Week of 8/19100.0*Lottery seed
Nationals 1452 Marlins 766 -2.5
Yankees 933 Blue Jays 938 +0.1
Mets 607 Rays 851 +0.1
Twins 1148 Indians 879 +0.1
Orioles 1170 Red Sox 731 +0.1
If winner is:HomeTieAway
Week of 8/26100.0*Lottery seed
Nationals vs Orioles-0.4-0.0+0.4
Phillies vs Marlins-0.2-0.2+0.2
Rays vs Blue Jays-0.1-0.2+0.2

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L-T123456789101112131415161718192021222324252627282930
132-0-00928
12.51-0-16238
121-1-06238
0-0-21288
11.50-1-1793
110-2-018701244200
Total:0544300011000