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LA is one of the densest parts of CA though, outside of SF/Bay Area. So if LA is 3%, you could assume the state as a whole is maybe 1-2%. Then 17x that becomes 17-34%, which seems more reasonable.

The comparison is overweighting LA county, which has 25% of California's population but 60% of its deaths. (I don't know what the math ends up being off the top of my head.)

CFR is not a great way of comparing across regions, it could be due to any number of factors. Demographics (i.e. age), co-moribidities and the amount of hospital space available.

In fact the per-country spread of CFR is huge, from a low of 0.07% in Singapore to a high of 14.93% in Belgium, a whole 3 orders of magnitude. The H1N1 influenza CFR at a similar point in the outbreak was between 0.1% and 5.1% -- but the final IFR ended up at 0.02% [1].

[1] https://www.cebm.net/covid-19/global-covid-19-case-fatality-...