-43.15% is the change from 577 to 328
Calculation steps:
[( 328 - 577 ) ÷ 577] x 100 = -43.15%
Formula
Percentage change = [(328 - 577) / 577] x 100
Subtract the new number by the original number
328 - 577 = -249
-249 ÷ 577 = -0.43154246100519933
-0.43154246100519933 x 100 = -43.15%