-9.86% is the change from 700 to 631
Calculation steps:
[( 631 - 700 ) ÷ 700] x 100 = -9.86%
Formula
Percentage change = [(631 - 700) / 700] x 100
Subtract the new number by the original number
631 - 700 = -69
-69 ÷ 700 = -0.09857142857142857
-0.09857142857142857 x 100 = -9.86%