-98.77% is the change from 326 to 4
Calculation steps:
[( 4 - 326 ) ÷ 326] x 100 = -98.77%
Formula
Percentage change = [(4 - 326) / 326] x 100
Subtract the new number by the original number
4 - 326 = -322
-322 ÷ 326 = -0.9877300613496932
-0.9877300613496932 x 100 = -98.77%