86.05% is what you get when you turn the fraction 37/43 into a percentage. This number shows how close 37 is to the whole 43, expressed in a way that's easy to compare with other percentages.
The fraction 37/43 is already in its simplest form, meaning the top and bottom numbers share no common factors other than 1. It represents a little more than three‑quarters of a whole, which is why its percentage is fairly high.
When we write the result as 86.05%, we are rounding the exact value to two decimal places. This makes the number tidy for everyday use, while still keeping it accurate enough for most practical purposes.
