-18.29% is the change from 328 to 268
Calculation steps:
[( 268 - 328 ) ÷ 328] x 100 = -18.29%
Formula
Percentage change = [(268 - 328) / 328] x 100
Subtract the new number by the original number
268 - 328 = -60
-60 ÷ 328 = -0.18292682926829268
-0.18292682926829268 x 100 = -18.29%