16.83% is the change from 511 to 597
Calculation steps:
[( 597 - 511 ) ÷ 511] x 100 = 16.83%
Formula
Percentage change = [(597 - 511) / 511] x 100
Subtract the new number by the original number
597 - 511 = 86
86 ÷ 511 = 0.16829745596868884
0.16829745596868884 x 100 = 16.83%