55.79% is the change from 527 to 821
Calculation steps:
[( 821 - 527 ) ÷ 527] x 100 = 55.79%
Formula
Percentage change = [(821 - 527) / 527] x 100
Subtract the new number by the original number
821 - 527 = 294
294 ÷ 527 = 0.5578747628083491
0.5578747628083491 x 100 = 55.79%