-17.27% is the change from 631 to 522
Calculation steps:
[( 522 - 631 ) ÷ 631] x 100 = -17.27%
Formula
Percentage change = [(522 - 631) / 631] x 100
Subtract the new number by the original number
522 - 631 = -109
-109 ÷ 631 = -0.17274167987321712
-0.17274167987321712 x 100 = -17.27%