public function calculatePercentageDataForEnpsGradeCalculation(ClientSurvey $clientSurvey, array $applicantIds): array 	{ 		$numberOfPromotorApplicants = $this->getPromotorApplicantsCount($clientSurvey, $applicantIds); 		$numberOfPassiveApplicants = $this->getPassiveApplicantsCount($clientSurvey, $applicantIds); 		$numberOfCriticApplicants = $this->getCriticApplicantsCount($clientSurvey, $applicantIds);  		$totalApplicantsCount = count($applicantIds);  		if ($totalApplicantsCount == 0) { 			return [ 				'promotorsPercentage' => 0, 				'passivesPercentage' => 0, 				'criticsPercentage' => 0, 			]; 		}  		$promotorsPercentage = $this->calculatePromotorsPercentage($numberOfPromotorApplicants, $totalApplicantsCount); 		$passivesPercentage = $this->calculatePassivesPercentage($numberOfPassiveApplicants, $totalApplicantsCount); 		$criticsPercentage = $this->calculateCriticsPercentage($numberOfCriticApplicants, $totalApplicantsCount);  		return [ 			'promotorsPercentage' => $promotorsPercentage, 			'passivesPercentage' => $passivesPercentage, 			'criticsPercentage' => $criticsPercentage, 		]; 	}