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Converting a percentage to a decimal reverses the process I describe in the previous section. To convert a percentage that doesn’t have a decimal point, introduce a decimal point just before the percent sign, then move it two places to the left and drop the percent sign. For example:

As you can see from this example, after changing a percentage to a decimal, you can safely drop unnecessary trailing zeros.

For percentages that are less than 10%, introduce one or more place-holding zeros as needed into the decimal that you create. For example: