15% is the change from 580 to 667
Calculation steps:
[( 667 - 580 ) ÷ 580] x 100 = 15%
Formula
Percentage change = [(667 - 580) / 580] x 100
Subtract the new number by the original number
667 - 580 = 87
87 ÷ 580 = 0.15
0.15 x 100 = 15%
Example