-13.39% is the change from 493 to 427
Calculation steps:
[( 427 - 493 ) ÷ 493] x 100 = -13.39%
Formula
Percentage change = [(427 - 493) / 493] x 100
Subtract the new number by the original number
427 - 493 = -66
-66 ÷ 493 = -0.13387423935091278
-0.13387423935091278 x 100 = -13.39%