-4.26% is the change from 493 to 472
Calculation steps:
[( 472 - 493 ) ÷ 493] x 100 = -4.26%
Formula
Percentage change = [(472 - 493) / 493] x 100
Subtract the new number by the original number
472 - 493 = -21
-21 ÷ 493 = -0.04259634888438134
-0.04259634888438134 x 100 = -4.26%