52.78% is the change from 521 to 796
Calculation steps:
[( 796 - 521 ) ÷ 521] x 100 = 52.78%
Formula
Percentage change = [(796 - 521) / 521] x 100
Subtract the new number by the original number
796 - 521 = 275
275 ÷ 521 = 0.527831094049904
0.527831094049904 x 100 = 52.78%