-96.6% is the change from 324 to 11
Calculation steps:
[( 11 - 324 ) ÷ 324] x 100 = -96.6%
Formula
Percentage change = [(11 - 324) / 324] x 100
Subtract the new number by the original number
11 - 324 = -313
-313 ÷ 324 = -0.9660493827160493
-0.9660493827160493 x 100 = -96.6%