19.88% is the change from 488 to 585
Calculation steps:
[( 585 - 488 ) ÷ 488] x 100 = 19.88%
Formula
Percentage change = [(585 - 488) / 488] x 100
Subtract the new number by the original number
585 - 488 = 97
97 ÷ 488 = 0.1987704918032787
0.1987704918032787 x 100 = 19.88%