42.6% is the change from 561 to 800
Calculation steps:
[( 800 - 561 ) ÷ 561] x 100 = 42.6%
Formula
Percentage change = [(800 - 561) / 561] x 100
Subtract the new number by the original number
800 - 561 = 239
239 ÷ 561 = 0.42602495543672014
0.42602495543672014 x 100 = 42.6%