-1.63% is the change from 490 to 482
Calculation steps:
[( 482 - 490 ) ÷ 490] x 100 = -1.63%
Formula
Percentage change = [(482 - 490) / 490] x 100
Subtract the new number by the original number
482 - 490 = -8
-8 ÷ 490 = -0.0163265306122449
-0.0163265306122449 x 100 = -1.63%