-13.47% is the change from 490 to 424
Calculation steps:
[( 424 - 490 ) ÷ 490] x 100 = -13.47%
Formula
Percentage change = [(424 - 490) / 490] x 100
Subtract the new number by the original number
424 - 490 = -66
-66 ÷ 490 = -0.1346938775510204
-0.1346938775510204 x 100 = -13.47%