-45.86% is the change from 931 to 504
Calculation steps:
[( 504 - 931 ) ÷ 931] x 100 = -45.86%
Formula
Percentage change = [(504 - 931) / 931] x 100
Subtract the new number by the original number
504 - 931 = -427
-427 ÷ 931 = -0.45864661654135336
-0.45864661654135336 x 100 = -45.86%