-29.5% is the change from 973 to 686
Calculation steps:
[( 686 - 973 ) ÷ 973] x 100 = -29.5%
Formula
Percentage change = [(686 - 973) / 973] x 100
Subtract the new number by the original number
686 - 973 = -287
-287 ÷ 973 = -0.2949640287769784
-0.2949640287769784 x 100 = -29.5%