above average

#include <stdio.h>
#include <stdlib.h>

int main()
{
int grade[100][1000];　　// 1000*1000 is overflow
double result[1000];
int n;
scanf("%d", &n);
int m;
double sum;　　//double, not float;
double average;
double above;
int i;
for (i=0; i<n; i++)
{
scanf("%d", &m);
sum = 0;
average = 0;
above = 0;
int j;
for (j=0; j<m; j++)
{
scanf("%d", &grade[i][j]);
sum += grade[i][j];
}
average = sum/m;
for (j=0; j<m; j++)
{
if (grade[i][j] > average)
{
above++;
}
}
result[i] = above/m;
}
for (i=0; i<n; i++)
{
printf("%.3lf%\n", result[i]*100);
}
return 0;
}