-85.02% is the change from 554 to 83
Calculation steps:
[( 83 - 554 ) ÷ 554] x 100 = -85.02%
Formula
Percentage change = [(83 - 554) / 554] x 100
Subtract the new number by the original number
83 - 554 = -471
-471 ÷ 554 = -0.8501805054151624
-0.8501805054151624 x 100 = -85.02%