-49.23% is the change from 652 to 331
Calculation steps:
[( 331 - 652 ) ÷ 652] x 100 = -49.23%
Formula
Percentage change = [(331 - 652) / 652] x 100
Subtract the new number by the original number
331 - 652 = -321
-321 ÷ 652 = -0.49233128834355827
-0.49233128834355827 x 100 = -49.23%