13.56% is the change from 568 to 645
Calculation steps:
[( 645 - 568 ) ÷ 568] x 100 = 13.56%
Formula
Percentage change = [(645 - 568) / 568] x 100
Subtract the new number by the original number
645 - 568 = 77
77 ÷ 568 = 0.13556338028169015
0.13556338028169015 x 100 = 13.56%