Not easily. Note that at every moment in time, your process (assuming a single core-single CPU system) takes either 100% of CPU time, or 0%. That is, either your process is running, or it's waiting in the run queue.

So, "N% of CPU" doesn't even make sense. Is that N% over 1 minute? An hour? A day? The lifetime of the computer?

So, when you say "N% of CPU", what do you actually mean?