-6.94% is the change from 490 to 456
Calculation steps:
[( 456 - 490 ) ÷ 490] x 100 = -6.94%
Formula
Percentage change = [(456 - 490) / 490] x 100
Subtract the new number by the original number
456 - 490 = -34
-34 ÷ 490 = -0.06938775510204082
-0.06938775510204082 x 100 = -6.94%