52.12% is the change from 520 to 791
Calculation steps:
[( 791 - 520 ) ÷ 520] x 100 = 52.12%
Formula
Percentage change = [(791 - 520) / 520] x 100
Subtract the new number by the original number
791 - 520 = 271
271 ÷ 520 = 0.5211538461538462
0.5211538461538462 x 100 = 52.12%