15.22% is the change from 578 to 666
Calculation steps:
[( 666 - 578 ) ÷ 578] x 100 = 15.22%
Formula
Percentage change = [(666 - 578) / 578] x 100
Subtract the new number by the original number
666 - 578 = 88
88 ÷ 578 = 0.1522491349480969
0.1522491349480969 x 100 = 15.22%