58.56% is the change from 514 to 815
Calculation steps:
[( 815 - 514 ) ÷ 514] x 100 = 58.56%
Formula
Percentage change = [(815 - 514) / 514] x 100
Subtract the new number by the original number
815 - 514 = 301
301 ÷ 514 = 0.585603112840467
0.585603112840467 x 100 = 58.56%