123.51% is the change from 251 to 561
Calculation steps:
[( 561 - 251 ) ÷ 251] x 100 = 123.51%
Formula
Percentage change = [(561 - 251) / 251] x 100
Subtract the new number by the original number
561 - 251 = 310
310 ÷ 251 = 1.2350597609561753
1.2350597609561753 x 100 = 123.51%