18.52% is the change from 486 to 576
Calculation steps:
[( 576 - 486 ) ÷ 486] x 100 = 18.52%
Formula
Percentage change = [(576 - 486) / 486] x 100
Subtract the new number by the original number
576 - 486 = 90
90 ÷ 486 = 0.18518518518518517
0.18518518518518517 x 100 = 18.52%