How to auto populated last range to value in range from

e.g. i am selected range from value is 10 and range to value is 20 so total range is 10-20 so the next time range to value is auto populated in range fromScreenshot_2019-08-30%20New%20Sales%20Invoice%201%20-%20New%20Sales%20Invoice%201

Set Default value for these fields in Customize Form