-51.62% is the change from 649 to 314
Calculation steps:
[( 314 - 649 ) ÷ 649] x 100 = -51.62%
Formula
Percentage change = [(314 - 649) / 649] x 100
Subtract the new number by the original number
314 - 649 = -335
-335 ÷ 649 = -0.5161787365177196
-0.5161787365177196 x 100 = -51.62%