How are these numbers calculated?

Big Games

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

Week of 5/7100.0*Liga Pro100.0*Average seed
Tondela 2 Vitória Setúbal 1 -17.7
+0.3
Moreirense 2 Sporting Braga 1 +9.3
-0.1
Estoril 1 Chaves 1 +0.1
Boavista 2 Nacional 2 +0.0
Week of 5/14100.0*Liga Pro100.0*Average seed
Arouca 1 Tondela 2 -9.6
+0.1
Belenenses 1 Moreirense 1 +1.7
-0.0
Sporting Braga 4 Nacional 0 +0.0
Week of 5/21100.0*Liga Pro100.0*Average seed
Tondela 2 Sporting Braga 0 -84.8
+1.1
Moreirense 3 Porto 1 +8.4
-0.1
Estoril 4 Arouca 2 -0.2
Points
Chance Will Win Championship