-97.84% is the change from 649 to 14
Calculation steps:
[( 14 - 649 ) ÷ 649] x 100 = -97.84%
Formula
Percentage change = [(14 - 649) / 649] x 100
Subtract the new number by the original number
14 - 649 = -635
-635 ÷ 649 = -0.9784283513097073
-0.9784283513097073 x 100 = -97.84%