58.27% is the change from 520 to 823
Calculation steps:
[( 823 - 520 ) ÷ 520] x 100 = 58.27%
Formula
Percentage change = [(823 - 520) / 520] x 100
Subtract the new number by the original number
823 - 520 = 303
303 ÷ 520 = 0.5826923076923077
0.5826923076923077 x 100 = 58.27%