-2.9% is the change from 724 to 703
Calculation steps:
[( 703 - 724 ) ÷ 724] x 100 = -2.9%
Formula
Percentage change = [(703 - 724) / 724] x 100
Subtract the new number by the original number
703 - 724 = -21
-21 ÷ 724 = -0.029005524861878452
-0.029005524861878452 x 100 = -2.9%