53.41% is the change from 528 to 810
Calculation steps:
[( 810 - 528 ) ÷ 528] x 100 = 53.41%
Formula
Percentage change = [(810 - 528) / 528] x 100
Subtract the new number by the original number
810 - 528 = 282
282 ÷ 528 = 0.5340909090909091
0.5340909090909091 x 100 = 53.41%