The fraction 43/55 is equal to 78.18% when converted to a percentage and rounded to two decimal places. This means that if you had 55 equal parts of something and took 43 of those parts, you'd have about 78% of the whole. It's a bit more than three-quarters but not quite four-fifths of the total.
In everyday situations, you might come across this fraction or percentage in various contexts. For example, if 43 out of 55 students in a class passed a test, you could say that 78.18% of the class succeeded. Or if you completed 43 pages of a 55-page book, you'd be about 78% done with your reading. This fraction and its percentage equivalent can be useful for quick estimations in daily life.