-89.33% is the change from 534 to 57
Calculation steps:
[( 57 - 534 ) ÷ 534] x 100 = -89.33%
Formula
Percentage change = [(57 - 534) / 534] x 100
Subtract the new number by the original number
57 - 534 = -477
-477 ÷ 534 = -0.8932584269662921
-0.8932584269662921 x 100 = -89.33%