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Q: Why do you compare percents and not actual numbers?

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how you compare decimals and percents, is by the signs. a decimal looks like this: 0.0 and a percent looks like this: %

I'll answer assuming you meant percent. Percents are the ratio of a number or fraction to 100, so 2% is 2 to 100. If you compare 29 and 1000 and you want to compare it through percents, convert 1000 to 100 by obviously dividing by 10. So, 29 / 1000 is 2.9%.

It is easier to understand rates of changes as percents, sometimes, than as a fraction. Such as the stock market fell 70%Also, you can compare percents and fractions are a little harder to compare. For example you got 91 percent right on your test and your friend took a similar test with twice as many problems and got 83% right. It is easy to compare the percents.There are many other reasons!

What do we call a chart that helps compare facts and numbers or quantities

Write them as decimals, and compare. If the first digit of two numbers is equal, compare the second digit; if the second digit is equal, compare the third digit, etc.

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how you compare decimals and percents, is by the signs. a decimal looks like this: 0.0 and a percent looks like this: %

Percents are easier since they don't need to be converted. It saves a step.

you eat pie

Yes

when you are specifically comparing 2 sets of data (2 #'s, 2 percents, 2 rates ect.)

I'm not sure...

divide the two numbers then divide

Because percentages can be expressed as fractions which are rational numbers

Percents are basically decimals, and we use decimals as numbers with extra, tiny proportions. Percents are just ways to make those decimals into a whole, more friendlier number. But, percents can also be made with decimals as well.

Surely percents can always be expressed as fractions or decimals, but percents are useful for comparing values- percents are essentially fractions all of the same denominator so they are easier to compare. Example: which is bigger 9/20 or 88/200 ? which is bigger 45% or 44% ? The percent question is easier to answer even though the numbers are the same.

by simplifying the given numbers

They are all ways of representing numbers.

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