-18.9% is the change from 889 to 721
Calculation steps:
[( 721 - 889 ) ÷ 889] x 100 = -18.9%
Formula
Percentage change = [(721 - 889) / 889] x 100
Subtract the new number by the original number
721 - 889 = -168
-168 ÷ 889 = -0.1889763779527559
-0.1889763779527559 x 100 = -18.9%