61.73% is the change from 520 to 841
Calculation steps:
[( 841 - 520 ) ÷ 520] x 100 = 61.73%
Formula
Percentage change = [(841 - 520) / 520] x 100
Subtract the new number by the original number
841 - 520 = 321
321 ÷ 520 = 0.6173076923076923
0.6173076923076923 x 100 = 61.73%