-73.02% is the change from 556 to 150
Calculation steps:
[( 150 - 556 ) ÷ 556] x 100 = -73.02%
Formula
Percentage change = [(150 - 556) / 556] x 100
Subtract the new number by the original number
150 - 556 = -406
-406 ÷ 556 = -0.7302158273381295
-0.7302158273381295 x 100 = -73.02%