29.92% is the change from 488 to 634
Calculation steps:
[( 634 - 488 ) ÷ 488] x 100 = 29.92%
Formula
Percentage change = [(634 - 488) / 488] x 100
Subtract the new number by the original number
634 - 488 = 146
146 ÷ 488 = 0.29918032786885246
0.29918032786885246 x 100 = 29.92%