-73.77% is the change from 549 to 144
Calculation steps:
[( 144 - 549 ) ÷ 549] x 100 = -73.77%
Formula
Percentage change = [(144 - 549) / 549] x 100
Subtract the new number by the original number
144 - 549 = -405
-405 ÷ 549 = -0.7377049180327869
-0.7377049180327869 x 100 = -73.77%