10.25% is the change from 488 to 538
Calculation steps:
[( 538 - 488 ) ÷ 488] x 100 = 10.25%
Formula
Percentage change = [(538 - 488) / 488] x 100
Subtract the new number by the original number
538 - 488 = 50
50 ÷ 488 = 0.10245901639344263
0.10245901639344263 x 100 = 10.25%