Year

Year 2020 is 24.52% complete.
24.52873003167176%

Month

Month 2020-3 is 96.04% complete.
96.04890385069848%

Day

Day 2020-3-30 is 77.51% complete.
77.51580486819265%

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

For example