Year

Year 2019 is 64.31% complete.
64.3127090534788%

Month

Month 2019-8 is 73.35% complete.
73.35931965244855%

Day

Day 2019-8-23 is 74.13% complete.
74.13891824903689%

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

For example