-11.34% is the change from 494 to 438
Calculation steps:
[( 438 - 494 ) ÷ 494] x 100 = -11.34%
Formula
Percentage change = [(438 - 494) / 494] x 100
Subtract the new number by the original number
438 - 494 = -56
-56 ÷ 494 = -0.11336032388663968
-0.11336032388663968 x 100 = -11.34%