-18.49% is the change from 649 to 529
Calculation steps:
[( 529 - 649 ) ÷ 649] x 100 = -18.49%
Formula
Percentage change = [(529 - 649) / 649] x 100
Subtract the new number by the original number
529 - 649 = -120
-120 ÷ 649 = -0.18489984591679506
-0.18489984591679506 x 100 = -18.49%