-48.62% is the change from 981 to 504
Calculation steps:
[( 504 - 981 ) ÷ 981] x 100 = -48.62%
Formula
Percentage change = [(504 - 981) / 981] x 100
Subtract the new number by the original number
504 - 981 = -477
-477 ÷ 981 = -0.48623853211009177
-0.48623853211009177 x 100 = -48.62%