Valid for: Schengenstater (Issued by Sweden)
valid From: 26-09-16 to 16-10-16
Type of Visa: C
Number of Entries: 1
Duration of Stay: 6 days

1st entry in Greece on 10-10-16 and exit on 13-10-16
2nd entry in Belgium on 13-10-16 and exit on 14-10-16
3rd entry in Norway on 14-10-16 and exit on 16-10-16 

My stay at Schengen countries in total of 6 Days (from 10-10-16 to 16-10-16). This is how the calculation or I am over staying? Please Advise.