If 3000 is 2% of coronavirus cases worldwide

Then to get 1% of the total it should be 1500 but then 100 times 1500 is 150,000.

So, I would say the minimum actual cases likely is 150,000 worldwide to come up with 3000 fatalities which should be around 2% of the total (even though in Hong Kong it is 2.3% and in Iran much higher than 2.3%.

So, it is obvious that there are many many more cases that don't go to the hospital that people don't know about worldwide right now. And that doesn't even count all the carriers that never get it but who are passing it along to people right now all over the world.