-94.42% is the change from 556 to 31
Calculation steps:
[( 31 - 556 ) ÷ 556] x 100 = -94.42%
Formula
Percentage change = [(31 - 556) / 556] x 100
Subtract the new number by the original number
31 - 556 = -525
-525 ÷ 556 = -0.9442446043165468
-0.9442446043165468 x 100 = -94.42%