-27.58% is the change from 631 to 457
Calculation steps:
[( 457 - 631 ) ÷ 631] x 100 = -27.58%
Formula
Percentage change = [(457 - 631) / 631] x 100
Subtract the new number by the original number
457 - 631 = -174
-174 ÷ 631 = -0.2757527733755943
-0.2757527733755943 x 100 = -27.58%