-12.24% is the change from 490 to 430
Calculation steps:
[( 430 - 490 ) ÷ 490] x 100 = -12.24%
Formula
Percentage change = [(430 - 490) / 490] x 100
Subtract the new number by the original number
430 - 490 = -60
-60 ÷ 490 = -0.12244897959183673
-0.12244897959183673 x 100 = -12.24%