6.56% is the change from 488 to 520
Calculation steps:
[( 520 - 488 ) ÷ 488] x 100 = 6.56%
Formula
Percentage change = [(520 - 488) / 488] x 100
Subtract the new number by the original number
520 - 488 = 32
32 ÷ 488 = 0.06557377049180328
0.06557377049180328 x 100 = 6.56%