21.46% is the change from 452 to 549
Calculation steps:
[( 549 - 452 ) ÷ 452] x 100 = 21.46%
Formula
Percentage change = [(549 - 452) / 452] x 100
Subtract the new number by the original number
549 - 452 = 97
97 ÷ 452 = 0.21460176991150443
0.21460176991150443 x 100 = 21.46%