/**
* formating number
* @param number $number
* @return string
*/
protected function numberFormating($number, $to)
{
$change = $this->download->getRchange();
$change[0] = number_format($number, $this[$to][self::DECIMAL], $this[$to][self::DEC_POINT], $this[$to][self::THOUSANDS]);
return str_replace($this->download->getRfound(), $change, $this[$to][self::NUM_FORMAT]);
}