-73.41% is the change from 549 to 146
Calculation steps:
[( 146 - 549 ) ÷ 549] x 100 = -73.41%
Formula
Percentage change = [(146 - 549) / 549] x 100
Subtract the new number by the original number
146 - 549 = -403
-403 ÷ 549 = -0.7340619307832422
-0.7340619307832422 x 100 = -73.41%