-72.89% is the change from 664 to 180
Calculation steps:
[( 180 - 664 ) ÷ 664] x 100 = -72.89%
Formula
Percentage change = [(180 - 664) / 664] x 100
Subtract the new number by the original number
180 - 664 = -484
-484 ÷ 664 = -0.7289156626506024
-0.7289156626506024 x 100 = -72.89%