How are these numbers calculated?

Big Games

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

Thursday, 1/1100.0*Chance in playoffs100.0*Average seed
RYU 5 BG 4 -9.7
-0.5
Friday, 1/2100.0*Chance in playoffs100.0*Average seed
MTM 7 RM 6 -0.1
RYU 8 SYHK 4 -0.1
If winner is:HomeAway
BG vs OTD+1.6-1.2
+0.4-0.3

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678Count
1010-0In013879,220
99-199.0%29716,576
88-288.308812078,075
77-354.7554420488,799
66-413.8146322101,836,427
55-50.3023581914,455,461
44-6Out02159207,134,952
33-7Out027727,540,320
22-8Out3975,059,602
0-1Out1002,304,376*
Total:2.1%002816254928,913,808

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs