57.5% is the change from 513 to 808
Calculation steps:
[( 808 - 513 ) ÷ 513] x 100 = 57.5%
Formula
Percentage change = [(808 - 513) / 513] x 100
Subtract the new number by the original number
808 - 513 = 295
295 ÷ 513 = 0.5750487329434698
0.5750487329434698 x 100 = 57.5%