Year

Year 2020 is 24.54% complete.
24.54608509161155%

Month

Month 2020-3 is 96.25% complete.
96.25380559613858%

Day

Day 2020-3-30 is 83.86% complete.
83.86783012409829%

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

For example