-89.6% is the change from 548 to 57
Calculation steps:
[( 57 - 548 ) ÷ 548] x 100 = -89.6%
Formula
Percentage change = [(57 - 548) / 548] x 100
Subtract the new number by the original number
57 - 548 = -491
-491 ÷ 548 = -0.8959854014598541
-0.8959854014598541 x 100 = -89.6%