18.25% is the change from 559 to 661
Calculation steps:
[( 661 - 559 ) ÷ 559] x 100 = 18.25%
Formula
Percentage change = [(661 - 559) / 559] x 100
Subtract the new number by the original number
661 - 559 = 102
102 ÷ 559 = 0.18246869409660108
0.18246869409660108 x 100 = 18.25%