-84.3% is the change from 554 to 87
Calculation steps:
[( 87 - 554 ) ÷ 554] x 100 = -84.3%
Formula
Percentage change = [(87 - 554) / 554] x 100
Subtract the new number by the original number
87 - 554 = -467
-467 ÷ 554 = -0.8429602888086642
-0.8429602888086642 x 100 = -84.3%