-89.5% is the change from 543 to 57
Calculation steps:
[( 57 - 543 ) ÷ 543] x 100 = -89.5%
Formula
Percentage change = [(57 - 543) / 543] x 100
Subtract the new number by the original number
57 - 543 = -486
-486 ÷ 543 = -0.8950276243093923
-0.8950276243093923 x 100 = -89.5%