Деление без остатък

import java.text.DecimalFormat;
import java.util.Scanner;

public class demo {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int n = Integer.parseInt(scanner.nextLine());

        int p1 = 0;
        int p2 = 0;
        int p3 = 0;

        for (int i = 0; i < n; i++) {
            int currentNum = Integer.parseInt(scanner.nextLine());

           if(currentNum % 2 == 0){
               p1++;
           }
           if(currentNum % 3 == 0){
               p2++;
           }
           if(currentNum % 4 == 0){
               p3++;
           }
        }

        System.out.printf("%.2f%%\n",(double) p1 / n * 100);
        System.out.printf("%.2f%%\n",(double) p2 / n * 100);
        System.out.printf("%.2f%%\n",(double) p3 / n * 100);

    }
}