Year

Year 2019 is 71.86% complete.
71.8668967054603%

Month

Month 2019-9 is 64.38% complete.
64.38057369485844%

Day

Day 2019-9-20 is 31.41% complete.
31.416829320934326%

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

For example