Your lagna is kataka.
4th house contains Sani and guru.
7th house contains chandra.
5th house contains-sukra -not good.
Your marriage has to be seen from 7th house.
Planetary effect on 7th house is mixed.
It is clearly not positive.
Such questions cant be answered without
knowing your marriage history.
How is your first marriage?
If you keep everything secret ,the percentage
of dosha cant be known. firstname.lastname@example.org