diff --git a/WebStarter/Controllers/SwapOrderController.cs b/WebStarter/Controllers/SwapOrderController.cs
index 5678d9c..c39a692 100644
--- a/WebStarter/Controllers/SwapOrderController.cs
+++ b/WebStarter/Controllers/SwapOrderController.cs
@@ -109,8 +109,8 @@ public class SwapOrderController : ControllerBase
                                                                     &&swapOrderBatteryResp.DownBatterySoc!=null
                         )
                     {
-                        swapOrder.ElectricQuantity = (swapOrderBatteryResp.UpNominalEnergy* swapOrderBatteryResp.UpBatterySoc-
-                                                      swapOrderBatteryResp.DownNominalEnergy*swapOrderBatteryResp.DownBatterySoc).ToString();
+                        swapOrder.ElectricQuantity = (swapOrderBatteryResp.UpNominalEnergy* (swapOrderBatteryResp.UpBatterySoc/100)-
+                                                      swapOrderBatteryResp.DownNominalEnergy*(swapOrderBatteryResp.DownBatterySoc/100)).ToString();
                     }
                     
                 }