diff --git a/main.py b/main.py
index 1320b94..f88e8cc 100644
--- a/main.py
+++ b/main.py
@@ -71,7 +71,7 @@ def update_list():
     for i, _tmp1 in enumerate(res):
         total_time.append(res[i][3] - res[i][2])
         remaining_time.append(res[i][3] - cur_time)
-        importance.append(total_time[i] / remaining_time[i] * res[i][4])
+        importance.append((total_time[i] - remaining_time[i])/total_time[i] * res[i][4])
         if int(importance[i]) == 0:
             importance[i] = 1
         print("Priority of Task ID " + str(res[i][0]) + " Set to: " + str(importance[i]))  # res [i][0] = ID