51.23% is the change from 488 to 738
Calculation steps:
[( 738 - 488 ) ÷ 488] x 100 = 51.23%
Formula
Percentage change = [(738 - 488) / 488] x 100
Subtract the new number by the original number
738 - 488 = 250
250 ÷ 488 = 0.5122950819672131
0.5122950819672131 x 100 = 51.23%