-85.56% is the change from 554 to 80
Calculation steps:
[( 80 - 554 ) ÷ 554] x 100 = -85.56%
Formula
Percentage change = [(80 - 554) / 554] x 100
Subtract the new number by the original number
80 - 554 = -474
-474 ÷ 554 = -0.855595667870036
-0.855595667870036 x 100 = -85.56%