-73.38% is the change from 556 to 148
Calculation steps:
[( 148 - 556 ) ÷ 556] x 100 = -73.38%
Formula
Percentage change = [(148 - 556) / 556] x 100
Subtract the new number by the original number
148 - 556 = -408
-408 ÷ 556 = -0.7338129496402878
-0.7338129496402878 x 100 = -73.38%