19.07% is the change from 561 to 668
Calculation steps:
[( 668 - 561 ) ÷ 561] x 100 = 19.07%
Formula
Percentage change = [(668 - 561) / 561] x 100
Subtract the new number by the original number
668 - 561 = 107
107 ÷ 561 = 0.19073083778966132
0.19073083778966132 x 100 = 19.07%