16.57% is the change from 507 to 591
Calculation steps:
[( 591 - 507 ) ÷ 507] x 100 = 16.57%
Formula
Percentage change = [(591 - 507) / 507] x 100
Subtract the new number by the original number
591 - 507 = 84
84 ÷ 507 = 0.16568047337278108
0.16568047337278108 x 100 = 16.57%