Any two measurements of the same attribute.
They are ways of calculating and comparing parts of wholes.
Percentages are always use when comparing one number to another. With you only providing one number Percentages doesn't work very well.
Since they are all based on a common denominator of 100, some people find them easier for comparing fractions.
When you talk about percentages, you are comparing one thing to another. It is not clear, in the question, what exactly you want to compare with what.
Each chart has its own purpose and is preferred in various situations. Pie charts are useful when comparing percentages of a whole. Bar charts, on the other hand, are useful when comparing figures which are not necessarily parts of a whole.
Percentages are usually used when you're comparing two numbers, like 8 out of 10 is 80%. With only one number it'll always be 100%
It is not always helpful.Some people may find it helpful when comparing fractions. By converting them into percentages they are made into like fractions: all with the denominator 100.
Percentages are percentages - simple! The marketing people have not yet come up with "new improved" percentages.
When comparing the spread or variability rather than the location or mean. For example, men's heights and women's heights. You "know" that, on average, men will be taller but you may want to see if the variability within the two sets is the same or different.
The answer depends on what you are trying to do with the percentages.
Relative humidity is recorded in percentages.
waste percentages in manufacturing of filled past