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If you take 21 percent of a number and get 86, then what is that number? In other words, you know that 21 percent of a number is 86 and you want to know what that initial number is.

To solve this problem you multiply 86 by 100 and then divide the total by 21 as follows: (86 x 100) / 21

When we put that into our calculator, we get the following answer:

409.52


Therefore, the answer to "86 is 21 percent of what number?" is 409.52, and you can also derive that 21 percent of 409.52 equals 86.

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