-44.8% is the change from 721 to 398
Calculation steps:
[( 398 - 721 ) ÷ 721] x 100 = -44.8%
Formula
Percentage change = [(398 - 721) / 721] x 100
Subtract the new number by the original number
398 - 721 = -323
-323 ÷ 721 = -0.44798890429958393
-0.44798890429958393 x 100 = -44.8%