如何计算数字的百分比? [英] How do I calculate the percentage of a number?

问题描述

我想用PHP计算一个数字的百分比.例如:

I would like to calculate, in PHP, the percentage of a number. For example:

$percentage = 50;
$totalWidth = 350;

在此示例中，350的50％= 175

For this example, 50% of 350 = 175

我该怎么办?

推荐答案

$percentage = 50;
$totalWidth = 350;

$new_width = ($percentage / 100) * $totalWidth;

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