-54.4% is the change from 704 to 321
Calculation steps:
[( 321 - 704 ) ÷ 704] x 100 = -54.4%
Formula
Percentage change = [(321 - 704) / 704] x 100
Subtract the new number by the original number
321 - 704 = -383
-383 ÷ 704 = -0.5440340909090909
-0.5440340909090909 x 100 = -54.4%