Year

Year 2019 is 71.95% complete.
71.95697007765938%

Month

Month 2019-9 is 65.47% complete.
65.47646677799491%

Day

Day 2019-9-20 is 64.29% complete.
64.29398965376942%

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

For example