-29.89% is the change from 649 to 455
Calculation steps:
[( 455 - 649 ) ÷ 649] x 100 = -29.89%
Formula
Percentage change = [(455 - 649) / 649] x 100
Subtract the new number by the original number
455 - 649 = -194
-194 ÷ 649 = -0.29892141756548535
-0.29892141756548535 x 100 = -29.89%