-78.57% is the change from 504 to 108
Calculation steps:
[( 108 - 504 ) ÷ 504] x 100 = -78.57%
Formula
Percentage change = [(108 - 504) / 504] x 100
Subtract the new number by the original number
108 - 504 = -396
-396 ÷ 504 = -0.7857142857142857
-0.7857142857142857 x 100 = -78.57%