-48.15% is the change from 972 to 504
Calculation steps:
[( 504 - 972 ) ÷ 972] x 100 = -48.15%
Formula
Percentage change = [(504 - 972) / 972] x 100
Subtract the new number by the original number
504 - 972 = -468
-468 ÷ 972 = -0.48148148148148145
-0.48148148148148145 x 100 = -48.15%