29.3% is the change from 488 to 631
Calculation steps:
[( 631 - 488 ) ÷ 488] x 100 = 29.3%
Formula
Percentage change = [(631 - 488) / 488] x 100
Subtract the new number by the original number
631 - 488 = 143
143 ÷ 488 = 0.2930327868852459
0.2930327868852459 x 100 = 29.3%