-73.04% is the change from 549 to 148
Calculation steps:
[( 148 - 549 ) ÷ 549] x 100 = -73.04%
Formula
Percentage change = [(148 - 549) / 549] x 100
Subtract the new number by the original number
148 - 549 = -401
-401 ÷ 549 = -0.7304189435336976
-0.7304189435336976 x 100 = -73.04%