How to find qty equal to or nearby -5% to +10% of entered qty column

DECLARE checkQtyCursor CURSOR FOR 
	SELECT BATCH,Qty,HOMEIDEA_PRODUCT_ID FROM #TempStockVO  ORDER BY QTY DESC
	OPEN checkQtyCursor
	FETCH NEXT  FROM checkQtyCursor into @Cur_batch,@Cur_qty,@Cur_HIPD
	 
	 WHILE (@@FETCH_STATUS = 0 AND @Cur_qty > 0)
		BEGIN
				PRINT 'IN CURSOR'
				IF (@Cur_qty = @RequiredQty) 
				BEGIN
					INSERT INTO #TempCursorTable (FromBatch,AvailableQty,HomeIdeaProductID)
					SELECT @Cur_batch, @Cur_qty,@Cur_HIPD
					SET @ErrorMessage= 'Available In Single Piece' 
					BREAK;
				END
				ELSE IF (@Cur_qty > @RequiredQty)
				BEGIN
					INSERT INTO #TempCursorTable (FromBatch,AvailableQty,HomeIdeaProductID)
					SELECT @Cur_batch, @Cur_qty,@Cur_HIPD
					SET @ErrorMessage= 'Available In Single Piece' 
					BREAK;
				END
				ELSE IF(@Cur_qty<@RequiredQty  AND @TempQty<@RequiredQty)
				BEGIN
					
					SET @ErrorMessage='Available In Multiple Pieces' 

						INSERT INTO #TempCursorTable (FromBatch,AvailableQty,HomeIdeaProductID)
						SELECT @Cur_batch, @Cur_qty,@Cur_HIPD

							SET	@TempQty = @TempQty+@Cur_qty
							SET @i=@i+1;
							IF(@TempQty>=@RequiredQty AND @i>3) --
							BEGIN 
								SET @ErrorMessage = 'Exceeded 3 Cut Pieces'
								BREAK;
							END
								
				END
		FETCH NEXT FROM checkQtyCursor INTO @Cur_batch,@Cur_qty,@Cur_HIPD

		END /*WHILE*/