55.83% is the change from 523 to 815
Calculation steps:
[( 815 - 523 ) ÷ 523] x 100 = 55.83%
Formula
Percentage change = [(815 - 523) / 523] x 100
Subtract the new number by the original number
815 - 523 = 292
292 ÷ 523 = 0.5583173996175909
0.5583173996175909 x 100 = 55.83%