45.16% is what you get when you turn the fraction 42/93 into a percentage.
The fraction 42/93 can be reduced a little, but it still represents a little less than half of a whole. When you look at it as a part of 100, it lands right around the middle, which is why the percentage is close to 45 percent.
Knowing the percentage helps when you compare it with other numbers, like grades or test scores. It’s easy to see that 45.16% is below the typical passing mark of 50%, so it tells you the fraction is under half.
If you need to use this value in a report or a quick estimate, just remember the bolded number: 45.16%.