-23.02% is the change from 504 to 388
Calculation steps:
[( 388 - 504 ) ÷ 504] x 100 = -23.02%
Formula
Percentage change = [(388 - 504) / 504] x 100
Subtract the new number by the original number
388 - 504 = -116
-116 ÷ 504 = -0.23015873015873015
-0.23015873015873015 x 100 = -23.02%