-36.71% is the change from 504 to 319
Calculation steps:
[( 319 - 504 ) ÷ 504] x 100 = -36.71%
Formula
Percentage change = [(319 - 504) / 504] x 100
Subtract the new number by the original number
319 - 504 = -185
-185 ÷ 504 = -0.36706349206349204
-0.36706349206349204 x 100 = -36.71%