-2.84% is the change from 704 to 684
Calculation steps:
[( 684 - 704 ) ÷ 704] x 100 = -2.84%
Formula
Percentage change = [(684 - 704) / 704] x 100
Subtract the new number by the original number
684 - 704 = -20
-20 ÷ 704 = -0.028409090909090908
-0.028409090909090908 x 100 = -2.84%