-13.89% is the change from 504 to 434
Calculation steps:
[( 434 - 504 ) ÷ 504] x 100 = -13.89%
Formula
Percentage change = [(434 - 504) / 504] x 100
Subtract the new number by the original number
434 - 504 = -70
-70 ÷ 504 = -0.1388888888888889
-0.1388888888888889 x 100 = -13.89%