30.33% is the change from 488 to 636
Calculation steps:
[( 636 - 488 ) ÷ 488] x 100 = 30.33%
Formula
Percentage change = [(636 - 488) / 488] x 100
Subtract the new number by the original number
636 - 488 = 148
148 ÷ 488 = 0.30327868852459017
0.30327868852459017 x 100 = 30.33%