How are these numbers calculated?

Big Games

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

Week of 4/19100.0*Chance in playoffs100.0*Average seed
Kings 0 Bulls 34 -0.1
Crusaders 24 Highlanders 8 -0.1
Hurricanes 22 Force 20 -0.1
Reds 19 Brumbies 19 -0.1
Sharks 6 Cheetahs 12 +0.1
Waratahs 25 Chiefs 20 +0.1
If winner is:HomeDrawAway
Week of 4/26100.0*Chance in playoffs100.0*Average seed
Brumbies vs Force+1.6-1.2-5.4
+0.3-0.4-0.9
Crusaders vs Rebels-0.1+0.1+0.5
Reds vs Blues-0.3-0.0+0.2
-0.2+0.0+0.1
Cheetahs vs Kings-0.1+0.2+0.3
Hurricanes vs Stormers-0.0+0.2-0.0
Bulls vs Waratahs-0.0+0.2-0.0

What If

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

100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs123456789101112131415Count
567-0-0In10056,823,147
546-1-0In963123,599,697
526-0-1In8910010169,931,235
5-2-0In8712014,198,876
505-1-1In642718059,884,675
4-3-0In6526180412,610
485-0-2In41437900209,126,445
4-2-1In3745710008,765,708
3-4-0In3546810024,353
464-1-2100.0%1244162440060,666,040
3-3-1In1344152440682,487
2-5-0In124613244842
444-0-3100.0228392010100137,002,476
3-2-2100.02253822121007,019,015
2-4-1100.01243921131029,642
1-6-0In93645911
423-1-398.2083115301420031,441,675
2-3-298.4083115311320405,438
1-5-197.610301329152720
403-0-482.801343182714300051,750,339
2-2-379.9012931829164002,699,196
1-4-279.7129318301640011,543
0-6-175.01313252513138
382-1-438.7011052235215008,819,091
1-3-339.401105233521500103,071
0-5-240.911242435205127
362-0-512.70900418352781011,300,838
1-2-49.906003173529910499,881
0-4-39.36031636281011,437
341-1-51.410042140286001,271,392
0-3-41.1104213929609,368
321-0-60.61004224528101,323,589
0-2-50.30031945312035,349
300-1-60.00007355170073,976
280-0-7Out009523360205,083
Total:96.6%44241394321100000848,119,380
Games Above .500
Chance Will Make Playoffs