-97.53% is the change from 324 to 8
Calculation steps:
[( 8 - 324 ) ÷ 324] x 100 = -97.53%
Formula
Percentage change = [(8 - 324) / 324] x 100
Subtract the new number by the original number
8 - 324 = -316
-316 ÷ 324 = -0.9753086419753086
-0.9753086419753086 x 100 = -97.53%
Example