-97.78% is the change from 631 to 14
Calculation steps:
[( 14 - 631 ) ÷ 631] x 100 = -97.78%
Formula
Percentage change = [(14 - 631) / 631] x 100
Subtract the new number by the original number
14 - 631 = -617
-617 ÷ 631 = -0.9778129952456418
-0.9778129952456418 x 100 = -97.78%