-89.93% is the change from 556 to 56
Calculation steps:
[( 56 - 556 ) ÷ 556] x 100 = -89.93%
Formula
Percentage change = [(56 - 556) / 556] x 100
Subtract the new number by the original number
56 - 556 = -500
-500 ÷ 556 = -0.8992805755395683
-0.8992805755395683 x 100 = -89.93%