-49.61% is the change from 649 to 327
Calculation steps:
[( 327 - 649 ) ÷ 649] x 100 = -49.61%
Formula
Percentage change = [(327 - 649) / 649] x 100
Subtract the new number by the original number
327 - 649 = -322
-322 ÷ 649 = -0.49614791987673346
-0.49614791987673346 x 100 = -49.61%