56.76% is the change from 525 to 823
Calculation steps:
[( 823 - 525 ) ÷ 525] x 100 = 56.76%
Formula
Percentage change = [(823 - 525) / 525] x 100
Subtract the new number by the original number
823 - 525 = 298
298 ÷ 525 = 0.5676190476190476
0.5676190476190476 x 100 = 56.76%