Year

Year 2019 is 79.5% complete.
79.50703207465538%

Month

Month 2019-10 is 55.48% complete.
55.48601384606998%

Day

Day 2019-10-18 is 20.06% complete.
20.066019274528678%

This site Dividing the year, month, day into 100 pieces and show the progress bar for you.

For example