Lenovo T470 touchpad/mouse adjustments can be made by using Cortana to search for "mouse."  Click on "Mouse Properties" when it shows up on the list of search results.  Some features can be adjusted here.  To reverse scrolling, you should click on "Windows Precision Touchpad Settings" and scroll down to "Scroll and zoom."  The scrolling direction can be swapped by changing "Down motion scrolls up" to "Down motion scrolls down."  Other adjustments can also be made on this screen.