A percent is a blank of proportionality describing the blank of the blank please answer fast

Answer:
Constant
part
whole
Step-by-step explanation:
From the question, we want to fill in the gaps with the correct vocabulary
The correct wordings in this question is that;
A percent is a constant of proportionality describing the part of the whole
What we are trying to learn here is that a percentage of something is just a value that represents how big that particular value is to the entire whole value