What is the significance of dividing the number by 100 when using number_format in PHP?

When using the number_format function in PHP, dividing the number by 100 is significant because the function formats the number based on the decimal point. By dividing the number by 100, you are essentially moving the decimal point two places to the left, which allows the function to correctly format the number as a percentage. 

$number = 75.5;
$percentage = number_format($number / 100, 2) . '%';
echo $percentage;

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number_format PHP significance dividing 100

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