-11.28% is the change from 328 to 291
Calculation steps:
[( 291 - 328 ) ÷ 328] x 100 = -11.28%
Formula
Percentage change = [(291 - 328) / 328] x 100
Subtract the new number by the original number
291 - 328 = -37
-37 ÷ 328 = -0.11280487804878049
-0.11280487804878049 x 100 = -11.28%