How are these numbers calculated?

Big Games

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

Week of 6/5100.0*Chance in playoffs100.0*One Seed100.0*Last Place100.0*Average seed
SPURS 58 BC 50 +23.5
+7.6
-1.0
+1.3
BAG 0 MID 1 -2.5
-3.1
-0.8
-0.1
DUNK 32 BALLP 50 +0.4
-1.6
-0.1
BALLSH 28 SWISH 47 +0.3
+0.3
-0.4
If winner is:HomeAway
Week of 6/12100.0*Chance in playoffs100.0*One Seed100.0*Last Place100.0*Average seed
SWISH vs SPURS-23.8+23.8
-8.6+8.6
-1.2+1.2
AGEN vs BALLP-3.1+3.1
+4.1-4.1
BC vs BALLDL+2.0-2.0
+0.4-0.4
+0.1-0.1
BAG vs BALLSH+1.6-1.6
+0.1-0.1

What If

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

100100100100100100100100100100
If finish:Chance inOneChance will finish regular season at seedLast
TWW-LplayoffsSeed12345678910PlaceCount
52-0In31.0%3155130No309,503,486
41-190.7%2.2223392791No618,440,024
30-220.2No021830311620No309,512,930
Total:75.4%8.9%9252318128410No1,237,456,440
Games Above .500
Chance Will Make Playoffs