-53.6% is the change from 556 to 258
Calculation steps:
[( 258 - 556 ) ÷ 556] x 100 = -53.6%
Formula
Percentage change = [(258 - 556) / 556] x 100
Subtract the new number by the original number
258 - 556 = -298
-298 ÷ 556 = -0.5359712230215827
-0.5359712230215827 x 100 = -53.6%