-14.2% is the change from 493 to 423
Calculation steps:
[( 423 - 493 ) ÷ 493] x 100 = -14.2%
Formula
Percentage change = [(423 - 493) / 493] x 100
Subtract the new number by the original number
423 - 493 = -70
-70 ÷ 493 = -0.14198782961460446
-0.14198782961460446 x 100 = -14.2%