Year

Year 2019 is 71.86% complete.
71.86691603815034%

Month

Month 2019-9 is 64.38% complete.
64.38080890933713%

Day

Day 2019-9-20 is 31.42% complete.
31.423885834244803%

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

For example