-73.04% is the change from 664 to 179
Calculation steps:
[( 179 - 664 ) ÷ 664] x 100 = -73.04%
Formula
Percentage change = [(179 - 664) / 664] x 100
Subtract the new number by the original number
179 - 664 = -485
-485 ÷ 664 = -0.7304216867469879
-0.7304216867469879 x 100 = -73.04%