51.63% is the change from 521 to 790
Calculation steps:
[( 790 - 521 ) ÷ 521] x 100 = 51.63%
Formula
Percentage change = [(790 - 521) / 521] x 100
Subtract the new number by the original number
790 - 521 = 269
269 ÷ 521 = 0.5163147792706334
0.5163147792706334 x 100 = 51.63%