The fraction 45/52 is equal to 86.54% when expressed as a percentage. This tells you that the part represented by 45 out of 52 is a little less than nine‑tenths of the whole.
In everyday terms, you can think of 86.54% as almost nine pieces out of ten. If you had 52 items and you took 45 of them, you would be taking a large majority of the group.
This kind of conversion is useful in school projects, budgeting, or any situation where you need to compare a part to a whole in a clear, familiar way. Knowing that 45/52 is 86.54% lets you quickly see just how big that portion is.