47/92 as a percentage is 51.09%. This is the rounded value you get when you turn the fraction into a percent and keep two decimal places.
The fraction 47/92 can be thought of as 47 parts out of a total of 92 equal parts. It is a little more than one‑half, which is why the percentage is just over 50 %.
When we write the result as a percentage, we usually round it to make it easier to read. In this case, the rounded figure is 51.09%, which is accurate enough for most everyday uses.