-26.32% is the change from 684 to 504
Calculation steps:
[( 504 - 684 ) ÷ 684] x 100 = -26.32%
Formula
Percentage change = [(504 - 684) / 684] x 100
Subtract the new number by the original number
504 - 684 = -180
-180 ÷ 684 = -0.2631578947368421
-0.2631578947368421 x 100 = -26.32%