-7.01% is the change from 328 to 305
Calculation steps:
[( 305 - 328 ) ÷ 328] x 100 = -7.01%
Formula
Percentage change = [(305 - 328) / 328] x 100
Subtract the new number by the original number
305 - 328 = -23
-23 ÷ 328 = -0.0701219512195122
-0.0701219512195122 x 100 = -7.01%