-23.42% is the change from 649 to 497
Calculation steps:
[( 497 - 649 ) ÷ 649] x 100 = -23.42%
Formula
Percentage change = [(497 - 649) / 649] x 100
Subtract the new number by the original number
497 - 649 = -152
-152 ÷ 649 = -0.23420647149460708
-0.23420647149460708 x 100 = -23.42%