How are these numbers calculated?

Big Games

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

Week of 3/31100.0*Chance in playoffs100.0*Average seed
San Antonio 7 Arizona 15 +16.9
+0.5
Salt Lake 8 San Diego 3 +7.5
+0.0
If winner is:HomeTieAway
Week of 4/7100.0*Chance in playoffs100.0*Average seed
Arizona vs BirminghamInIn-5.9
+0.2-0.1-0.3
Orlando vs San Diego+1.3+1.3-6.0
+0.0+0.0-0.1
Atlanta vs Salt Lake+2.8+2.8-0.7
San Antonio vs Memphis-0.6-0.6+1.7
-0.1+0.0+0.2

What If

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

100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs1234Count
72-0-0In9191,398,323,190
6.51-0-1In62381,967,384
61-1-0In49512,125,704,133
0-0-2In5149692
5.50-1-1In13871,495,420
50-2-075.9%670222809,948,061
Total:95.5%5541404,337,438,880
Games Above .500
Chance Will Make Playoffs