13.21% is the change from 492 to 557
Calculation steps:
[( 557 - 492 ) ÷ 492] x 100 = 13.21%
Formula
Percentage change = [(557 - 492) / 492] x 100
Subtract the new number by the original number
557 - 492 = 65
65 ÷ 492 = 0.13211382113821138
0.13211382113821138 x 100 = 13.21%