53.9% is the change from 525 to 808
Calculation steps:
[( 808 - 525 ) ÷ 525] x 100 = 53.9%
Formula
Percentage change = [(808 - 525) / 525] x 100
Subtract the new number by the original number
808 - 525 = 283
283 ÷ 525 = 0.539047619047619
0.539047619047619 x 100 = 53.9%