15.86% is the change from 435 to 504
Calculation steps:
[( 504 - 435 ) ÷ 435] x 100 = 15.86%
Formula
Percentage change = [(504 - 435) / 435] x 100
Subtract the new number by the original number
504 - 435 = 69
69 ÷ 435 = 0.15862068965517243
0.15862068965517243 x 100 = 15.86%