/**
* Descorbir o percentual.
*/
public function testPercentage()
{
$per = Num::percentage(1234, 401.05, 2);
$this->assertEquals(32.5, $per);
$per = Num::percentage(1234.33, 493.73, 2);
$this->assertEquals(40, $per);
$per = Num::percentage(1234.33, 493.73, 4);
$this->assertEquals(39.9998, $per);
}
