-42.39% is the change from 493 to 284
Calculation steps:
[( 284 - 493 ) ÷ 493] x 100 = -42.39%
Formula
Percentage change = [(284 - 493) / 493] x 100
Subtract the new number by the original number
284 - 493 = -209
-209 ÷ 493 = -0.4239350912778905
-0.4239350912778905 x 100 = -42.39%