50.09% is the change from 561 to 842
Calculation steps:
[( 842 - 561 ) ÷ 561] x 100 = 50.09%
Formula
Percentage change = [(842 - 561) / 561] x 100
Subtract the new number by the original number
842 - 561 = 281
281 ÷ 561 = 0.5008912655971479
0.5008912655971479 x 100 = 50.09%