diff --git a/statistics.c b/statistics.c
index 0782e24..b9837cb 100644
--- a/statistics.c
+++ b/statistics.c
@@ -27,15 +27,15 @@ void print_statistics(int signal_id)
 #endif /* OSTYPE_LINUX && !FORCE_LIBPCAP */
 
 	if (recv_pkt > 0){
-	losspack=recv_pkt/sent_pkt;
-	lossrate = 100 - ((recv_pkt*100)/sent_pkt);
+	losspack=sent_pkt-recv_pkt;
+	lossrate = ( (float)(sent_pkt - recv_pkt) / sent_pkt ) * 100.0;
 	}else{
 	losspack=sent_pkt<0?0:sent_pkt;
 	lossrate=sent_pkt<0?0:100;
 	}
 
 	printf("\n--- %s 统计 ---\n", targetname);
-	printf("发送: %d|收到: %d|%d%% 丢包率|已丢弃 %d\n", sent_pkt, recv_pkt, abs(lossrate),losspack);
+	printf("发送: %d|收到: %d|%d%% 丢包率|已丢弃 %d\n", sent_pkt, recv_pkt, lossrate,losspack);
 	if (out_of_sequence_pkt>0)
 		printf("已收到 %d 个乱序数据包\n",
 			out_of_sequence_pkt);