-87.23% is the change from 556 to 71
Calculation steps:
[( 71 - 556 ) ÷ 556] x 100 = -87.23%
Formula
Percentage change = [(71 - 556) / 556] x 100
Subtract the new number by the original number
71 - 556 = -485
-485 ÷ 556 = -0.8723021582733813
-0.8723021582733813 x 100 = -87.23%