Why does the Torah list the levels of Tzara'as in reverse order?

From All: R Elchanan Adler by R Elchanan Adler.

• Published: 2007-04-22T00:00:00Z
• Duration: 5:30
• Books: Leviticus
• Parsha: Tazria
• Audio: https://shiurim.yutorah.net/2007/1053/747092.MP3
• Page: https://yutorah.org/lectures/747092
• TorahApp: https://torahapp.org/share/p/YU_80002_all/e/yu%3A747092