-18.31% is the change from 617 to 504
Calculation steps:
[( 504 - 617 ) ÷ 617] x 100 = -18.31%
Formula
Percentage change = [(504 - 617) / 617] x 100
Subtract the new number by the original number
504 - 617 = -113
-113 ÷ 617 = -0.18314424635332252
-0.18314424635332252 x 100 = -18.31%