-48.57% is the change from 980 to 504
Calculation steps:
[( 504 - 980 ) ÷ 980] x 100 = -48.57%
Formula
Percentage change = [(504 - 980) / 980] x 100
Subtract the new number by the original number
504 - 980 = -476
-476 ÷ 980 = -0.4857142857142857
-0.4857142857142857 x 100 = -48.57%