How are these numbers calculated?

Big Games

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

Week of 5/29100.0*Chance in playoffs100.0*Average seed
Brumbies 22 Bulls 16 (so)+14.9
+0.7
Crusaders 35 Hurricanes 18 (ot)-2.5
-0.1
Sharks 25 Rebels 21 (so)+0.5
Stormers 42 Cheetahs 12 (ot)-0.2
-0.0
Lions 27 Waratahs 22 -0.1
+0.9
Highlanders 36 Chiefs 9 (ot)-0.0
Week of 6/5100.0*Chance in playoffs100.0*Average seed
Force 20 Brumbies 33 +4.7
+0.3
Cheetahs 33 Waratahs 58 (ot)-2.4
-0.5
Reds 3 Chiefs 24 -1.8
-0.0
Rebels 21 Bulls 20 (so)In
Stormers 19 Lions 19 +0.1
If winner is:HomeHome OTHome SODrawAway SOAway OTAway
Week of 6/12100.0*Chance in playoffs100.0*Average seed
Brumbies vs CrusadersInInInInIn-76.8In
+0.8+1.8+0.8-1.5-1.6-2.8-1.8
Waratahs vs Reds-1.4-1.4-1.4-1.4-1.4InIn
+0.2-0.8+0.2+0.3+0.8+1.6+1.6
Blues vs Highlanders-0.0+0.0+0.0-0.1+0.0+0.0-0.0
+0.1+0.1+0.1+0.1-0.0-0.0-0.0
Chiefs vs Hurricanes-0.1-0.1-0.1+0.0+0.0+0.0+0.0

What If

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

100100100100100100100100100100100100100100100
If finish:Chance inTop ofChance will finish regular season at seed
TPW-OTL-SODplayoffsLeague123456789101112131415Count
510-10-00InNo1009,811,682,470
501-00-00InNo63626512,225,756,504
480-00-01InNo12583726,116,531
470-00-10InNo5100854,896,208,637
460-01-0032.2%No36023687,216,135,808
Total:86.0%No52329201434,875,899,950
Points
Chance Will Make Playoffs