1207.14% is the change from 42 to 549
Calculation steps:
[( 549 - 42 ) ÷ 42] x 100 = 1207.14%
Formula
Percentage change = [(549 - 42) / 42] x 100
Subtract the new number by the original number
549 - 42 = 507
507 ÷ 42 = 12.071428571428571
12.071428571428571 x 100 = 1207.14%