Assuming that you have an H22A4 engine, the injector size should be 290cc. The injectors are type saturated.
With your new 440cc injectors (which should also be saturated type) your fuel flow will likely have increased by about 50%. With injectors that big, you're certainly not going to need to increase your fuel pressure. You're already going to be getting a ton of fuel. 20% increase is generally considered to be the limit of what the engine can just cope with on its own. You're beyond that, so you'll need to assess other variables.
To know the actual flow rate of your new injectors, we need to know what pressure the 440cc are rated at. Then, with that information in hand, you can calculate what your new flow rate is.
For an example, let's say that your new injectors are 440cc at 40psi. Using the formula (and convenient calculator) at
http://www.rceng.com/technical.aspx you can make the following calculation to see what your new flow rate is. In this case, you have to assume that your current injectors of size 290cc were rated at 50psi.
Plugging in the numbers, we see that your new flow rate is 491.93 cc/min. That's a lot more.
If you want to figure out what this means in air/fuel ratio, you have to do some much fancier math. A basic example of the formula is as follows:
AFR = Mass Air Flow / (Injector Pulse Width * 4 injectors * (RPM/2) * Injector flow rate)
RPM is divided by two because the injectors obviously only fire once per every two revolutions.
In practice, this isn't going to be easy for you to figure out, because you don't know what the injector pulsewidth is for your car. If you got a custom ECU, you would, but with your stock setup, there's no way to determine this.
When sizing injectors, most people actually rely on a much simpler formula. The ECU meddles with the air fuel ratio a lot, so unless you're getting a custom ECU, just let the stock ECU take care of mixing fuel for you and instead make sure that your injectors are large enough to get the power that you think your engine should be pushing out.
For the formula, go to
http://www.rceng.com/technical.aspx and look under "selecting the proper injector size". This formula has been in every performance tuning book I've ever read. It's simple, and it works.
Since you're going N/A, your values are probably like the following:
HP = 230
BSFC = 0.5 (always 0.5 for N/A)
Max Duty Cycle = 0.8 (again, this is always the estimated max of an injector)
Fuel Pressure = 50psi (unless you change it)
This gives you a suggested injector size of 352cc/min. If you haven't already purchased your larger injectors, you might want to consider getting some of this size (make sure you get Saturated injectors) unless your H22 is from an older Prelude.
For your information, the formula for comparing fuel pressures and AFR values goes as follows:
New fuel pressure = stock fuel pressure * ((old AFR / new AFR)^2) + 1