How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Monday100.0*Chance in playoffs100.0*Average seed
Cubs 1 Braves 9 -0.7
-0.1
Mets 10 Pirates 7 +0.6
Diamondbacks 3 Rockies 2 -0.1
-0.0

What If

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

100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567Count
2811-0In96403,559,607
2710-1In7326130,576,557
269-2In355860167,202,402
258-3In968220530,477,251
247-4100.0%15047101,083,283,617
236-599.902467901,492,812,251
225-697.906603221,415,081,010
214-784.400275716921,737,174
203-853.80549460404,077,760
192-924.3024760113,534,408
181-109.00991018,403,487
170-112.839612,405,724
Total:92.5%2244522806,183,151,248
Games Above .500
Chance Will Make Playoffs