# Reporting F1 Scores

I have a question with regard to the proper way to report F1 scores. Say I am comparing two algorithms one with F1 score of 0.71 and the other of 0.82.

Is it correct to say:

"Algorithm 1 obtained an F1 score 11 points higher than algorithm 2"

or

"Algorithm 1 obtained an F1 score 11 percentage points higher than algorithm 2"

or

"Algorithm 1 obtained an F1 score 0.11 points higher than algorithm 2".

Or none of these? Some other way? I suppose a second question for this is if it is correct to report the scores as 0.71 and 0.82 or more correct to say 71% and 82%.

And of course the F1 (or F$$\beta$$) score suffers from all the same problems that accuracy as an evaluation metric has.