-34.76% is the change from 328 to 214
Calculation steps:
[( 214 - 328 ) ÷ 328] x 100 = -34.76%
Formula
Percentage change = [(214 - 328) / 328] x 100
Subtract the new number by the original number
214 - 328 = -114
-114 ÷ 328 = -0.3475609756097561
-0.3475609756097561 x 100 = -34.76%