-5.68% is the change from 704 to 664
Calculation steps:
[( 664 - 704 ) ÷ 704] x 100 = -5.68%
Formula
Percentage change = [(664 - 704) / 704] x 100
Subtract the new number by the original number
664 - 704 = -40
-40 ÷ 704 = -0.056818181818181816
-0.056818181818181816 x 100 = -5.68%