/*
 * Author: Kewth

 * Date:
  echo -n '  ' && date +%Y.%m.%d # Type "!!sh" in Vim.

 * Solution:
  To be updated after "Accept".

 * Digression:

 * CopyRight:
          %%%%%%%%%%%
        %%%%    %%%%
       %%   %%━━■%%
      %%   %%     %%
     %%%   %%   %  %%
    %% %   %%%%■%  %%
  %%%   %%       %%%
  %%%%%%%%%%%%%%■%%
        %%%%%%
 */

#include <cstdio>
#include <algorithm>
#define debug(...) fprintf(stderr, __VA_ARGS__)

typedef long long ll;

static struct {
    inline operator int () { int x; return scanf("%d", &x), x; }
} read;

int main () {
    int T = read;
    while (T --) {
        int n = read, m = read, p = read;
        if (m > n) {
            puts("0");
            continue;
        }
        int min = (m * p + 99) / 100;
        int ans = (n - m) / min + 1;
        printf("%d\n", ans);
    }
}