import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("Input your prior score: ");
float score1 = scanner.nextFloat();
System.out.print("Input your later score: ");
float score2 = scanner.nextFloat();
System.out.printf("You have improved by %.2f%%.", ((score2-score1)/score1)*100);
}
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用户7629784270
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("Input your prior score: ");
float score1 = scanner.nextFloat();
System.out.print("Input your later score: ");
float score2 = scanner.nextFloat();
System.out.printf("You have improved by %.2f%%.", ((score2-score1)/score1)*100);
}
}