fix: 新增套餐新增缩长比例，增长比例

src/views/package-management/package-list/index.vue

@@ -238,8 +238,14 @@
                     v-if="virtualRatioPercent !== null && realDataGb > 0"
                     style="margin-top: 4px; font-size: 12px; color: var(--el-text-color-secondary)"
                   >
-                    {{ realDataGb }}×(1-{{ virtualRatioPercent }}%) =
-                    {{ calculatedVirtualDataGb }}GB
+                    <div>
+                      缩长比例：{{ realDataGb }}×(1-{{ virtualRatioPercent }}%) =
+                      {{ calculatedVirtualDataGb }}GB
+                    </div>
+                    <div v-if="calculatedVirtualDataGb > 0">
+                      增长比例：{{ realDataGb }}GB/{{ calculatedVirtualDataGb }}GB =
+                      {{ calculatedGrowthRatio }}
+                    </div>
                   </div>
                 </ElFormItem>
               </ElCol>
@@ -729,6 +735,13 @@
     return Number(virtualGb.toFixed(2))
   })
 
+  const calculatedGrowthRatio = computed(() => {
+    if (calculatedVirtualDataGb.value === 0) {
+      return 0
+    }
+    return Number((realDataGb.value / calculatedVirtualDataGb.value).toFixed(2))
+  })
+
   // GB 转 MB 处理
   const handleRealDataChange = (value: number | null | undefined) => {
     if (value === null || value === undefined) {