27.25% is the change from 488 to 621
Calculation steps:
[( 621 - 488 ) ÷ 488] x 100 = 27.25%
Formula
Percentage change = [(621 - 488) / 488] x 100
Subtract the new number by the original number
621 - 488 = 133
133 ÷ 488 = 0.2725409836065574
0.2725409836065574 x 100 = 27.25%