How are these numbers calculated?

Big Games

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

Saturday100.0*Chance in playoffs100.0*Average seed
LAD 3 LON 0 +1.1
SAS 2 POR 2 +0.5
+0.0
If winner is:HomeTieAway
Sunday100.0*Chance in playoffs100.0*Average seed
DET vs POR-1.8+0.1+1.7
-0.1-0.0+0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678910Count
11131-0-0In55405012,516
10427-3-1In1001
10226-4-1In33673
10125-4-2In20404010*
10024-4-3In19711031*
9924-5-2In12731585*
9824-6-1In77716250*
9723-6-2In3653110603*
9622-6-3In1553861,493*
9522-7-2In141481103,226*
9421-7-3In030511717,041*
9321-8-2In0195028314,671*
9220-8-3In0114538628,170*
9120-9-2In0636461254,119*
9019-9-3In3265120097,731*
8919-10-2In11851300170,435*
8818-10-3In01147420284,169*
8718-11-2In0640540459,623*
8617-11-3In0332650711,382*
8517-12-2In01247501,065,344*
8416-12-3In01178201,526,911*
8316-13-2In00118802,124,537*
8215-13-3100.0%0792102,831,789*
8115-14-2100.00494203,663,689*
8014-14-3100.00295304,542,280*
7914-15-2100.00194505,462,548*
7813-15-3100.00192706,286,753*
7713-16-2100.000891107,037,836*
7612-16-399.900841607,532,443*
7512-17-299.70782207,827,596*
7411-17-399.30712917,771,452*
7311-18-298.506236107,496,576*
7210-18-397.10524536,902,834*
7110-19-294.50435256,166,034*
709-19-390.603358905,240,876*
699-20-284.9024611504,321,494*
688-20-377.4016612303,382,819*
678-21-268.410583202,564,230*
667-21-358.16524201,841,694*
657-22-247.43445301,278,220*
646-22-337.0136630836,166*
636-23-227.7127720529,273*
626-24-119.6019800311,727*
615-24-213.2013870177,801*
605-25-18.20892093,540*
594-25-24.90595048,133*
584-26-12.8397022,002*
573-26-21.529809,935*
563-27-10.619903,747*
552-27-20.201001,523*
49-54Out10013,279*
Total:93.7%000002642760100,760,640

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs