public function calculateUnengagedApplicantsPercentage(): float 	{ 		$unengagedApplicantsCount = $this->getUnengagedApplicantsCount(); 		$totalNumberOfApplicants = $this->applicantsCount;  		return ($totalNumberOfApplicants && $unengagedApplicantsCount) ? round(($unengagedApplicantsCount / $totalNumberOfApplicants) * 100, 2) : 0; 	}