-48.41% is the change from 977 to 504
Calculation steps:
[( 504 - 977 ) ÷ 977] x 100 = -48.41%
Formula
Percentage change = [(504 - 977) / 977] x 100
Subtract the new number by the original number
504 - 977 = -473
-473 ÷ 977 = -0.4841351074718526
-0.4841351074718526 x 100 = -48.41%