-4.67% is the change from 493 to 470
Calculation steps:
[( 470 - 493 ) ÷ 493] x 100 = -4.67%
Formula
Percentage change = [(470 - 493) / 493] x 100
Subtract the new number by the original number
470 - 493 = -23
-23 ÷ 493 = -0.04665314401622718
-0.04665314401622718 x 100 = -4.67%