-16.94% is the change from 490 to 407
Calculation steps:
[( 407 - 490 ) ÷ 490] x 100 = -16.94%
Formula
Percentage change = [(407 - 490) / 490] x 100
Subtract the new number by the original number
407 - 490 = -83
-83 ÷ 490 = -0.16938775510204082
-0.16938775510204082 x 100 = -16.94%