Are sales dropping?
[1]https://www.nytimes.com/2024/06/01/business/dealbook/compani...
The pandemic lockdowns forced a lot of people to learn how to cook, lots more people who learned to bake bread, etc. This trend might be an extension of that development.
Kind of the motto of the 2020s: people spending the same but getting less
So, yes, telling metric is probably the number of visits.