30.36% is the change from 504 to 657
Calculation steps:
[( 657 - 504 ) ÷ 504] x 100 = 30.36%
Formula
Percentage change = [(657 - 504) / 504] x 100
Subtract the new number by the original number
657 - 504 = 153
153 ÷ 504 = 0.30357142857142855
0.30357142857142855 x 100 = 30.36%