-84.66% is the change from 554 to 85
Calculation steps:
[( 85 - 554 ) ÷ 554] x 100 = -84.66%
Formula
Percentage change = [(85 - 554) / 554] x 100
Subtract the new number by the original number
85 - 554 = -469
-469 ÷ 554 = -0.8465703971119134
-0.8465703971119134 x 100 = -84.66%