-48.65% is the change from 629 to 323
Calculation steps:
[( 323 - 629 ) ÷ 629] x 100 = -48.65%
Formula
Percentage change = [(323 - 629) / 629] x 100
Subtract the new number by the original number
323 - 629 = -306
-306 ÷ 629 = -0.4864864864864865
-0.4864864864864865 x 100 = -48.65%