4.63% is the change from 497 to 520
Calculation steps:
[( 520 - 497 ) ÷ 497] x 100 = 4.63%
Formula
Percentage change = [(520 - 497) / 497] x 100
Subtract the new number by the original number
520 - 497 = 23
23 ÷ 497 = 0.04627766599597585
0.04627766599597585 x 100 = 4.63%