Year

Year 2020 is 24.62% complete.
24.621549793802867%

Month

Month 2020-3 is 97.14% complete.
97.14477625551756%

Day

Day 2020-3-31 is 11.48% complete.
11.487072512436209%

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

For example