-70.37% is the change from 324 to 96
Calculation steps:
[( 96 - 324 ) ÷ 324] x 100 = -70.37%
Formula
Percentage change = [(96 - 324) / 324] x 100
Subtract the new number by the original number
96 - 324 = -228
-228 ÷ 324 = -0.7037037037037037
-0.7037037037037037 x 100 = -70.37%