17.17% is the change from 495 to 580
Calculation steps:
[( 580 - 495 ) ÷ 495] x 100 = 17.17%
Formula
Percentage change = [(580 - 495) / 495] x 100
Subtract the new number by the original number
580 - 495 = 85
85 ÷ 495 = 0.1717171717171717
0.1717171717171717 x 100 = 17.17%