4.73% is the change from 507 to 531
Calculation steps:
[( 531 - 507 ) ÷ 507] x 100 = 4.73%
Formula
Percentage change = [(531 - 507) / 507] x 100
Subtract the new number by the original number
531 - 507 = 24
24 ÷ 507 = 0.047337278106508875
0.047337278106508875 x 100 = 4.73%