-54.7% is the change from 724 to 328
Calculation steps:
[( 328 - 724 ) ÷ 724] x 100 = -54.7%
Formula
Percentage change = [(328 - 724) / 724] x 100
Subtract the new number by the original number
328 - 724 = -396
-396 ÷ 724 = -0.5469613259668509
-0.5469613259668509 x 100 = -54.7%