Decrease Shipping Charges by a Percentage based on Cart Subtotal December 16, 2013 at 4:36 pm Configuration, Examples Let’s say you want to give a 20% discount when the cart subtotal is over 100USD. With Handling Matrix you can do this. You can even vary to give a 40% discount when over 500USD. Use the PERCENTAGE_SHIP algorithm to implement. Read More ... Percentage Handling Fee based on Cart ValueAdd Percentage of Cart Subtotal to Shipping CostsHandling Fees Matrix CSV columnsCSV file configurationDifferent Percentage Handling Charge For Domestic/International