13.83% is the change from 564 to 642
Calculation steps:
[( 642 - 564 ) ÷ 564] x 100 = 13.83%
Formula
Percentage change = [(642 - 564) / 564] x 100
Subtract the new number by the original number
642 - 564 = 78
78 ÷ 564 = 0.13829787234042554
0.13829787234042554 x 100 = 13.83%