18.16% is the change from 490 to 579
Calculation steps:
[( 579 - 490 ) ÷ 490] x 100 = 18.16%
Formula
Percentage change = [(579 - 490) / 490] x 100
Subtract the new number by the original number
579 - 490 = 89
89 ÷ 490 = 0.1816326530612245
0.1816326530612245 x 100 = 18.16%