17.42% is the change from 511 to 600
Calculation steps:
[( 600 - 511 ) ÷ 511] x 100 = 17.42%
Formula
Percentage change = [(600 - 511) / 511] x 100
Subtract the new number by the original number
600 - 511 = 89
89 ÷ 511 = 0.17416829745596868
0.17416829745596868 x 100 = 17.42%