//Δ_1001
#include<iostream>
#include<cstdio>
#include<fstream>
#include<algorithm>
#include<vector>
#include<map>
#include<set>
#include<queue>
#include<bitset>
#include<cmath>
#include<cstring>
#include<cstdlib>
using namespace std;
typedef long long LL;
typedef double DB;
int main()
{
    int T,n,m,p,x;
    scanf("%d",&T);
    while(T--){
        scanf("%d%d%d",&n,&m,&p);
        p=100-p;
        x=m*p/100;
        x=m-x;
        if(n<m)
            printf("0\n");
        else
            printf("%d\n",(n-m)/x+1);
    }
    return 0;
}