What is 4/80 as a percentage? 5.00%. This is the same as saying that 4 out of every 80 parts equals five percent of the whole.
The fraction 4/80 can be reduced to 1/20, which still represents a very small slice of anything you are measuring. Whether you are looking at a class of 80 students or a basket of 80 apples, taking 4 of them gives you the same proportion.
In everyday terms, a 5.00% share means that for every 100 items you would have about 5 of them. So if you have 80 items and you pick 4, you are taking exactly five percent of the total. This simple relationship makes it easy to compare small parts of larger groups.