-20.16% is the change from 903 to 721
Calculation steps:
[( 721 - 903 ) ÷ 903] x 100 = -20.16%
Formula
Percentage change = [(721 - 903) / 903] x 100
Subtract the new number by the original number
721 - 903 = -182
-182 ÷ 903 = -0.20155038759689922
-0.20155038759689922 x 100 = -20.16%