-8.66% is the change from 704 to 643
Calculation steps:
[( 643 - 704 ) ÷ 704] x 100 = -8.66%
Formula
Percentage change = [(643 - 704) / 704] x 100
Subtract the new number by the original number
643 - 704 = -61
-61 ÷ 704 = -0.08664772727272728
-0.08664772727272728 x 100 = -8.66%