-39.93% is the change from 546 to 328
Calculation steps:
[( 328 - 546 ) ÷ 546] x 100 = -39.93%
Formula
Percentage change = [(328 - 546) / 546] x 100
Subtract the new number by the original number
328 - 546 = -218
-218 ÷ 546 = -0.3992673992673993
-0.3992673992673993 x 100 = -39.93%