-17.67% is the change from 549 to 452
Calculation steps:
[( 452 - 549 ) ÷ 549] x 100 = -17.67%
Formula
Percentage change = [(452 - 549) / 549] x 100
Subtract the new number by the original number
452 - 549 = -97
-97 ÷ 549 = -0.1766848816029144
-0.1766848816029144 x 100 = -17.67%