-26.22% is the change from 328 to 242
Calculation steps:
[( 242 - 328 ) ÷ 328] x 100 = -26.22%
Formula
Percentage change = [(242 - 328) / 328] x 100
Subtract the new number by the original number
242 - 328 = -86
-86 ÷ 328 = -0.2621951219512195
-0.2621951219512195 x 100 = -26.22%