Fundamentals Mid-Exams Biscuits Factory

import java.util.Scanner;

public class BiscuitsFactory {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int amountOfBiscuits = Integer.parseInt(scanner.nextLine());
        int workersCount = Integer.parseInt(scanner.nextLine());
        int otherProduce = Integer.parseInt(scanner.nextLine());
        int countDays = 1;
        int days = 30;
        int sum = 0;

        int countBiscuitsForDay = amountOfBiscuits * workersCount;
        sum = ImplementationMethod(countDays, days, sum, countBiscuitsForDay);
        System.out.printf("You have produced %d biscuits for the past month.%n", sum);

        if (sum >= otherProduce) {
            int diff = sum - otherProduce;
            double percentage = (diff * 1.00 / otherProduce) * 100;
            System.out.printf("You produce %.2f percent more biscuits.",percentage);
        }else {
            int diff = otherProduce - sum;
            double percentage = (diff * 1.00 / otherProduce) * 100;
            System.out.printf("You produce %.2f percent less biscuits.",percentage);
        }
    }

    private static int ImplementationMethod(int countDays, int days, int sum, int countBiscuitsForDay) {
        for (int i = 1; i <= days; i++) {
            if (countDays == 3) {
                sum += countBiscuitsForDay * 0.75;
                countDays = 1;
                continue;
            }
            countDays++;
            sum += countBiscuitsForDay;
        }
        return sum;
    }
}