# What is the percent change of 1 to 12?

(a) 12 is

(b) The *increase* from 1 to 12 is

(That is, 12 is 1100% *more than* 1.)

To put it in math terms:

"1 is to 100% as 12 is to what?"

When we solve for the box, we obtain

(b) We follow the same procedure if we are interested in the increase (or change) from 1 to 12, but we compare "1 is 100%" to the difference between 12 and 1.

Finding the solution for the box:

A number that is 12 times larger than what we're calling 100% would itself be considered 1200%. This may seem like a lot, but keep in mind that 12 is already 12 times larger than 1, and 1 is like our whole (our 100%).

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The percent change from 1 to 12 is 1100%.

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