Those numbers are way too high. The death rate should be based upon the total numbers infected, not just the total numbers of confirmed cases. But even there there is quite a bit of variance -- between 0.1% to 2% of confirmed cases.Just thought i would update this thread, as the death rate of closed cases is no longer at 21% globally, the death rate is now 10% of closed cases.
"The CDC also says its “best estimate” is that 0.4% of people who show symptoms and have Covid-19 will die"
CDC Estimates That 35% Of People With Coronavirus Don't Have Symptoms