-50.46% is the change from 652 to 323
Calculation steps:
[( 323 - 652 ) ÷ 652] x 100 = -50.46%
Formula
Percentage change = [(323 - 652) / 652] x 100
Subtract the new number by the original number
323 - 652 = -329
-329 ÷ 652 = -0.504601226993865
-0.504601226993865 x 100 = -50.46%