41 divided by around 1700: Trying to find the ACTUAL amount of people with Coronavirus in China

In January China reported around 41 cases. But, mathematicians using formulas developed through other country wide or worldwide pandemics on these numbers. By looking at the cases that made it out of China they reported that likely instead of 41 cases there should have been between 1700 and 2000 cases at that time.

So, if you divide number they said 41 by 1700 you get what percentage actually were reported. Now, to be fair the government wouldn't know the actual amount either of China. But, these mathematical models likely are more correct than present numbers being given of the actual amount of people infected.
when you divide 41 by 1700 you get this number 0.02411764705

Let's round this off to the fact that they are only reporting
2.5% of what the actual amount of infected people actually is.

For example, if they say 100,000 people are infected or have
been infected this is only 2.5 percent of the actual amount.

IF I divide now 100,000 by 2.5 I should get 1% of the actual
amount of people infected in China which would be 40,000
If 40,000 people is 1% then 100 % would be 4 million people.
So, if the mathematical models hold true the actual
theoretical amount of people with Coronavirus in China 
is 4 million people using this mathematical model 
developed during other epidemics here on earth.

And because of the Draconian methods presently being 
used by the Chinese government this is sure to spread
through fearful people of that government even further.

When I see videos of people forcibly being removed from 
their homes and doors welded shut so they cannot return
this is ONLY going to reduce and reduce the amount
of people reporting ANY anomalies to their health and thereby
spread this virus even further.
Later Note: if the total of infections so far is 4,000,000
in reality (in theory) then the true amount of deaths
because of a 2% kill rate of 4 million would be
 80,000 deaths so far based upon 100,000 reported 
cases if and when that happens.

If this is true likely China doesn't know the full total
because most of these deaths would never have been
to a hospital or doctor because of fear. So, likely this 
number would reflect the poor and middle class
who might be too terrified to contact the authorities
or a hospital and live  out in the country or city or 
suburbia all three.