import java.util.Scanner;public class InputTest {    public static void main(String[] arg){        Scanner scanner=new Scanner(System.in);        System.out.print("Input last time score:");        int s1=scanner.nextInt();        System.out.print("Input this time score:");        int s2=scanner.nextInt();        float p=(float)(s2-s1)/s1*100;        System.out.printf("%.2f%%",p);    }}