15.89% is the change from 491 to 569
Calculation steps:
[( 569 - 491 ) ÷ 491] x 100 = 15.89%
Formula
Percentage change = [(569 - 491) / 491] x 100
Subtract the new number by the original number
569 - 491 = 78
78 ÷ 491 = 0.15885947046843177
0.15885947046843177 x 100 = 15.89%