-89.44% is the change from 540 to 57
Calculation steps:
[( 57 - 540 ) ÷ 540] x 100 = -89.44%
Formula
Percentage change = [(57 - 540) / 540] x 100
Subtract the new number by the original number
57 - 540 = -483
-483 ÷ 540 = -0.8944444444444445
-0.8944444444444445 x 100 = -89.44%