-88.64% is the change from 493 to 56
Calculation steps:
[( 56 - 493 ) ÷ 493] x 100 = -88.64%
Formula
Percentage change = [(56 - 493) / 493] x 100
Subtract the new number by the original number
56 - 493 = -437
-437 ÷ 493 = -0.8864097363083164
-0.8864097363083164 x 100 = -88.64%