19.87% is the change from 458 to 549
Calculation steps:
[( 549 - 458 ) ÷ 458] x 100 = 19.87%
Formula
Percentage change = [(549 - 458) / 458] x 100
Subtract the new number by the original number
549 - 458 = 91
91 ÷ 458 = 0.19868995633187772
0.19868995633187772 x 100 = 19.87%