1321.43% is the change from 42 to 597
Calculation steps:
[( 597 - 42 ) ÷ 42] x 100 = 1321.43%
Formula
Percentage change = [(597 - 42) / 42] x 100
Subtract the new number by the original number
597 - 42 = 555
555 ÷ 42 = 13.214285714285714
13.214285714285714 x 100 = 1321.43%