1235.71% is the change from 42 to 561
Calculation steps:
[( 561 - 42 ) ÷ 42] x 100 = 1235.71%
Formula
Percentage change = [(561 - 42) / 42] x 100
Subtract the new number by the original number
561 - 42 = 519
519 ÷ 42 = 12.357142857142858
12.357142857142858 x 100 = 1235.71%