-84.71% is the change from 556 to 85
Calculation steps:
[( 85 - 556 ) ÷ 556] x 100 = -84.71%
Formula
Percentage change = [(85 - 556) / 556] x 100
Subtract the new number by the original number
85 - 556 = -471
-471 ÷ 556 = -0.8471223021582733
-0.8471223021582733 x 100 = -84.71%