-11.73% is the change from 631 to 557
Calculation steps:
[( 557 - 631 ) ÷ 631] x 100 = -11.73%
Formula
Percentage change = [(557 - 631) / 631] x 100
Subtract the new number by the original number
557 - 631 = -74
-74 ÷ 631 = -0.11727416798732171
-0.11727416798732171 x 100 = -11.73%