40.57% is the change from 488 to 686
Calculation steps:
[( 686 - 488 ) ÷ 488] x 100 = 40.57%
Formula
Percentage change = [(686 - 488) / 488] x 100
Subtract the new number by the original number
686 - 488 = 198
198 ÷ 488 = 0.4057377049180328
0.4057377049180328 x 100 = 40.57%