-44.6% is the change from 556 to 308
Calculation steps:
[( 308 - 556 ) ÷ 556] x 100 = -44.6%
Formula
Percentage change = [(308 - 556) / 556] x 100
Subtract the new number by the original number
308 - 556 = -248
-248 ÷ 556 = -0.4460431654676259
-0.4460431654676259 x 100 = -44.6%