-2.98% is the change from 504 to 489
Calculation steps:
[( 489 - 504 ) ÷ 504] x 100 = -2.98%
Formula
Percentage change = [(489 - 504) / 504] x 100
Subtract the new number by the original number
489 - 504 = -15
-15 ÷ 504 = -0.02976190476190476
-0.02976190476190476 x 100 = -2.98%