How are these numbers calculated?

Big Games

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

Week of 9/19100.0*Chance in playoffs100.0*Average seed
Charleston 2 Miami 0 In
+0.1
If winner is:HomeDrawAway
Week of 9/26100.0*Chance in playoffs100.0*Average seed
Miami vs Tampa Bay+0.2+0.0-0.1
Miami vs Charleston-0.2-0.1+0.1

What If

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

100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs12345Count
363-0-0In100166,754,852
342-1-0In8416291,989,711
332-0-1In1882387,942,231
321-2-0In2872151,640,084
311-1-1In397338,332,659
301-0-2In0100126,447,834
0-3-0In10024,504,828
27-29In100129,611,921*
Total:In33671,617,224,120

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs