-27.76% is the change from 998 to 721
Calculation steps:
[( 721 - 998 ) ÷ 998] x 100 = -27.76%
Formula
Percentage change = [(721 - 998) / 998] x 100
Subtract the new number by the original number
721 - 998 = -277
-277 ÷ 998 = -0.2775551102204409
-0.2775551102204409 x 100 = -27.76%