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
Mariners 11 Athletics 7 -5.8
-0.2
Rangers 13 Red Sox 12 -2.2
Angels 7 Rays 2 +1.2

What If

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

100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567Count
2810-0100.0%340516002,316,190
279-199.901049364019,584,070
268-294.8001448325088,036,870
257-366.0011748340234,580,797
246-426.30225704410,345,311
235-55.40058114492,342,650
224-60.5007030410,357,144
213-70.005050234,582,737
202-8Out307088,046,179
191-9Out158519,582,560
180-10Out6942,315,876
Total:19.8%00151460202,002,090,384
Games Above .500
Chance Will Make Playoffs