1230.95% is the change from 42 to 559
Calculation steps:
[( 559 - 42 ) ÷ 42] x 100 = 1230.95%
Formula
Percentage change = [(559 - 42) / 42] x 100
Subtract the new number by the original number
559 - 42 = 517
517 ÷ 42 = 12.30952380952381
12.30952380952381 x 100 = 1230.95%