-18.76% is the change from 549 to 446
Calculation steps:
[( 446 - 549 ) ÷ 549] x 100 = -18.76%
Formula
Percentage change = [(446 - 549) / 549] x 100
Subtract the new number by the original number
446 - 549 = -103
-103 ÷ 549 = -0.18761384335154827
-0.18761384335154827 x 100 = -18.76%