Work backwards from a target: enter what you've banked so far and what's still to come, and see the average mark you need on the rest.
Saved automatically in your browser only. Classification targets use the common UK convention (70 = 1st, 60 = 2:1, 50 = 2:2, 40 = 3rd); your university sets its own boundaries and decides which years count, so confirm them in your course handbook. This is a planning tool, not an official result.