15.46% is the change from 511 to 590
Calculation steps:
[( 590 - 511 ) ÷ 511] x 100 = 15.46%
Formula
Percentage change = [(590 - 511) / 511] x 100
Subtract the new number by the original number
590 - 511 = 79
79 ÷ 511 = 0.15459882583170254
0.15459882583170254 x 100 = 15.46%