Year

Year 2020 is 24.55% complete.
24.550997356648733%

Month

Month 2020-3 is 96.31% complete.
96.3118020354292%

Day

Day 2020-3-30 is 85.66% complete.
85.66573987999294%

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

For example