1. Go to Settings -> Discount and Marketing Options.
2. Select Discount as a percent
3. Enter Online discount and Min value
4. The discount will apply for Collection and delivery orders. However, the min order value is only for delivery
5. If you wish to have an extra 5% discount for collections, enter 5 under the collection discount.
For example: If you want to set 25% OFF for collections and 20% OFF for delivery
Enter 20 in the online discount and 5 under collection discount