58.71% is the change from 511 to 811
Calculation steps:
[( 811 - 511 ) ÷ 511] x 100 = 58.71%
Formula
Percentage change = [(811 - 511) / 511] x 100
Subtract the new number by the original number
811 - 511 = 300
300 ÷ 511 = 0.5870841487279843
0.5870841487279843 x 100 = 58.71%