-48.74% is the change from 634 to 325
Calculation steps:
[( 325 - 634 ) ÷ 634] x 100 = -48.74%
Formula
Percentage change = [(325 - 634) / 634] x 100
Subtract the new number by the original number
325 - 634 = -309
-309 ÷ 634 = -0.48738170347003157
-0.48738170347003157 x 100 = -48.74%