Year

Year 2020 is 24.63% complete.
24.63334329474791%

Month

Month 2020-3 is 97.28% complete.
97.28401570135478%

Day

Day 2020-3-31 is 15.8% complete.
15.803543680979354%

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

For example