15.67% is the change from 504 to 583
Calculation steps:
[( 583 - 504 ) ÷ 504] x 100 = 15.67%
Formula
Percentage change = [(583 - 504) / 504] x 100
Subtract the new number by the original number
583 - 504 = 79
79 ÷ 504 = 0.15674603174603174
0.15674603174603174 x 100 = 15.67%