16/78 as a percentage is 20.51%. This means that the fraction 16/78 is a little over one‑fifth of a whole. When you write it as a percent, you can quickly compare it to other values that are also expressed in percent form.
The number 20.51% is rounded to two decimal places, so it gives a fairly precise idea of the size of the fraction without getting too detailed. Rounding like this is useful when you need a clean number for reports, charts, or everyday conversation.
In practical terms, 20.51% could represent anything from a portion of a class that passed a test to the share of a budget allocated to a project. Knowing the percent makes it easy to see how large or small the part is compared to the whole.
