-29.74% is the change from 649 to 456
Calculation steps:
[( 456 - 649 ) ÷ 649] x 100 = -29.74%
Formula
Percentage change = [(456 - 649) / 649] x 100
Subtract the new number by the original number
456 - 649 = -193
-193 ÷ 649 = -0.29738058551617874
-0.29738058551617874 x 100 = -29.74%