-97.12% is the change from 556 to 16
Calculation steps:
[( 16 - 556 ) ÷ 556] x 100 = -97.12%
Formula
Percentage change = [(16 - 556) / 556] x 100
Subtract the new number by the original number
16 - 556 = -540
-540 ÷ 556 = -0.9712230215827338
-0.9712230215827338 x 100 = -97.12%