All the media outlets believe he's doing a shit job, including FOX. Remember, FOX was aligned against the guy during the election, until they had to get on the train or be left behind.
I'm gonna be honest and say that what the media thinks has absolutely no bearing on how I feel about something. The media - including FOX - is a bag of dicks.
Now does that mean Trump is doing well? No idea! With the first non-political, non-military President in our history, how do you even begin to measure that, anyway?