-2.96% is the change from 743 to 721
Calculation steps:
[( 721 - 743 ) ÷ 743] x 100 = -2.96%
Formula
Percentage change = [(721 - 743) / 743] x 100
Subtract the new number by the original number
721 - 743 = -22
-22 ÷ 743 = -0.029609690444145357
-0.029609690444145357 x 100 = -2.96%