50/84 as a percentage is 59.52%. This is the rounded result you get when you turn the fraction into a percent. The fraction can also be reduced to 25/42, but the percent stays the same.
The value 59.52% tells you that the part represented by 50 is just under three‑fifths of the whole 84. It’s a handy way to compare the size of the part to the whole in everyday situations.
When you see a percentage like this, you can quickly judge that it’s a little more than half. That makes it easy to estimate quantities without doing exact math each time.
So whenever you need to talk about 50 out of 84 in a more familiar form, just use 59.52%.