-54.65% is the change from 721 to 327
Calculation steps:
[( 327 - 721 ) ÷ 721] x 100 = -54.65%
Formula
Percentage change = [(327 - 721) / 721] x 100
Subtract the new number by the original number
327 - 721 = -394
-394 ÷ 721 = -0.5464632454923717
-0.5464632454923717 x 100 = -54.65%