-16.64% is the change from 631 to 526
Calculation steps:
[( 526 - 631 ) ÷ 631] x 100 = -16.64%
Formula
Percentage change = [(526 - 631) / 631] x 100
Subtract the new number by the original number
526 - 631 = -105
-105 ÷ 631 = -0.1664025356576862
-0.1664025356576862 x 100 = -16.64%