Discount on goods of the order and on the process

Created 2 identical orders https://hte.crm-onebox.com/admin/customorder/order/1508/edit/ https://hte.crm-onebox.com/admin/customorder/order/1512/edit/ In the 1st order they indicated a 7% discount for each product, in the 2nd order they indicated a 7% discount on the entire order According to the idea, all the totals should converge, at least in 1s and other systems that way. But in the end, in the 1st order, the discount is 14,412.86, and in the 2nd order, 12,010.72 We started to figure it out, it turned out that in the 1st case it considers a discount from the sale price with VAT, and in the 2nd case from the sale price without VAT In the 1st case, the selling price * 7/100 is taken and multiplied by the quantity, it turns out 5540.53 and 8872.33, summing up and getting 14412.86 In the 2nd case, the price without VAT * 7 / 100 is taken and multiplied by the quantity, it turns out 7393.61 and 4617.11, we sum up and get 12 010.72 Explain why and how to make it count the same?