Excel's PERCENTOF function returns the percentage that a subset of data contributes to a whole dataset, saving you from having to create additional or complex formulas to generate the same outcome. The PERCENTOF function has two arguments: =PERCENTOF( a b where a (required) is the data subset that makes up part of the whole dataset,

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The Trump administration's tariff calculations appear on paper to be a simplified math of America's trade relationships.

President Donald Trump’s formula for imposing tariffs on dozens of nations has confounded economists who say it not based on well-established methodologies and suggests that the administration is “just basically making things up” as it seeks to justify policies that risk economic hardship for people across the world,