If you use 5 days a week as base and add 1 day for personal work, you're at 120%. Of course interpreting it as "you need to work 125% for the 4 remaining days"

If you use 5 days a week as base and add 1 day for personal work, you're at 120%. Of course interpreting it as "you need to work 125% for the 4 remaining days" is equally valid.