How are these numbers calculated?

Big Games

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

Week of 8/12100.0*Chance in playoffs100.0*Average seed
Reds 261.5 Cubs 224.5 -5.8
-0.1
Nationals 401 Mets 277.5 +2.8
+0.1
Phillies 302 Braves 202 -0.9
-0.0
Brewers 260.5 Pirates 295.5 -0.4
-0.0
Week of 8/19100.0*Chance in playoffs100.0*Average seed
Nationals 96 Braves 128 -6.2
-0.3
Reds 182.5 Pirates 115.5 +2.2
+0.2
Phillies 137.5 Mets 174 +0.4
If winner is:HomeTieAway
Week of 8/26100.0*Chance in playoffs100.0*Average seed
Phillies vs NationalsOut-6.4In
-1.7-0.2+1.3
Brewers vs Reds+0.1-0.0-0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
131-0-0In1999,410,323
12.50-0-149.9%5050340,111
120-1-0Out1007,264,094
Total:56.3%1564417,014,528
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 8/12100.0*Lottery seed
Nationals 401 Mets 277.5 -0.2
Reds 261.5 Cubs 224.5 +0.2
Astros 138 Rangers 277.5 -0.2
Blue Jays 279 Rays 329.5 -0.1
Phillies 302 Braves 202 +0.0
Brewers 260.5 Pirates 295.5 +0.0
Week of 8/19100.0*Lottery seed
Nationals 96 Braves 128 +1.2
Mariners 67 Astros 54.5 -0.2
Angels 125.5 Rangers 78 +0.1
Reds 182.5 Pirates 115.5 +0.0
Indians 101.5 Twins 122.5 +0.0
Royals 95.5 Tigers 88 +0.0
If winner is:HomeTieAway
Week of 8/26100.0*Lottery seed
Phillies vs Nationals+1.7+0.4-1.3
Indians vs Royals-0.2-0.3+0.0
Astros vs Angels-0.0-0.1+0.0

What If

100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L-T123456789101112131415161718192021222324
131-0-0043461
12.50-0-12481931
120-1-03862
Total:0219351627