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
Salt Lake 8 San Diego 3 +8.3
+0.4
San Antonio 7 Arizona 15 -1.1
-0.0
If winner is:HomeTieAway
Week of 4/7100.0*Chance in playoffs100.0*Average seed
Atlanta vs Salt LakeOutOut+13.6
-0.3-0.2+0.3
San Antonio vs Memphis-9.3-9.3+9.3
-0.1-0.1+0.1
Arizona vs Birmingham-3.0-2.9+3.0
-0.1-0.1+0.1
Orlando vs San Diego+1.7+1.8-1.7
+0.1+0.0-0.1

What If

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

100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs1234Count
52-0-054.2%946424316,396,125
4.51-0-1Out7525505,861
41-1-0Out4852631,924,921
0-0-2Out4555206
3.50-1-1Out2575504,198
30-2-0Out1189316,385,649
Total:13.6%21137491,265,716,960
Games Above .500
Chance Will Make Playoffs