-60.74% is the change from 326 to 128
Calculation steps:
[( 128 - 326 ) ÷ 326] x 100 = -60.74%
Formula
Percentage change = [(128 - 326) / 326] x 100
Subtract the new number by the original number
128 - 326 = -198
-198 ÷ 326 = -0.6073619631901841
-0.6073619631901841 x 100 = -60.74%