-72.3% is the change from 556 to 154
Calculation steps:
[( 154 - 556 ) ÷ 556] x 100 = -72.3%
Formula
Percentage change = [(154 - 556) / 556] x 100
Subtract the new number by the original number
154 - 556 = -402
-402 ÷ 556 = -0.7230215827338129
-0.7230215827338129 x 100 = -72.3%