58.2% is the change from 323 to 511
Calculation steps:
[( 511 - 323 ) ÷ 323] x 100 = 58.2%
Formula
Percentage change = [(511 - 323) / 323] x 100
Subtract the new number by the original number
511 - 323 = 188
188 ÷ 323 = 0.5820433436532507
0.5820433436532507 x 100 = 58.2%