-89.61% is the change from 539 to 56
Calculation steps:
[( 56 - 539 ) ÷ 539] x 100 = -89.61%
Formula
Percentage change = [(56 - 539) / 539] x 100
Subtract the new number by the original number
56 - 539 = -483
-483 ÷ 539 = -0.8961038961038961
-0.8961038961038961 x 100 = -89.61%