14.78% is the change from 582 to 668
Calculation steps:
[( 668 - 582 ) ÷ 582] x 100 = 14.78%
Formula
Percentage change = [(668 - 582) / 582] x 100
Subtract the new number by the original number
668 - 582 = 86
86 ÷ 582 = 0.14776632302405499
0.14776632302405499 x 100 = 14.78%