-42.99% is the change from 328 to 187
Calculation steps:
[( 187 - 328 ) ÷ 328] x 100 = -42.99%
Formula
Percentage change = [(187 - 328) / 328] x 100
Subtract the new number by the original number
187 - 328 = -141
-141 ÷ 328 = -0.4298780487804878
-0.4298780487804878 x 100 = -42.99%