-2.47% is the change from 729 to 711
Calculation steps:
[( 711 - 729 ) ÷ 729] x 100 = -2.47%
Formula
Percentage change = [(711 - 729) / 729] x 100
Subtract the new number by the original number
711 - 729 = -18
-18 ÷ 729 = -0.024691358024691357
-0.024691358024691357 x 100 = -2.47%