15.19% is the change from 507 to 584
Calculation steps:
[( 584 - 507 ) ÷ 507] x 100 = 15.19%
Formula
Percentage change = [(584 - 507) / 507] x 100
Subtract the new number by the original number
584 - 507 = 77
77 ÷ 507 = 0.15187376725838264
0.15187376725838264 x 100 = 15.19%