It’s always a good idea for any camera match to choose some square or circled objects to check the found camera settings…
In you case there are the table in front, the one in front of the desktop and even the basis of the seats arround you special table… the number of seats also can get you a rough idea of the ratio of this tabl… it’s two chairs on the long side and one one the shorter side…
So your estimated match… is just wrong…
You may have a look here (using fspy but excelent explanation about what to do… )
explanation about what to do… )