Year

Year 2020 is 24.62% complete.
24.62352498904348%

Month

Month 2020-3 is 97.16% complete.
97.16809631052116%

Day

Day 2020-3-31 is 12.21% complete.
12.210002314883111%

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

For example