10% is the change from 490 to 539
Calculation steps:
[( 539 - 490 ) ÷ 490] x 100 = 10%
Formula
Percentage change = [(539 - 490) / 490] x 100
Subtract the new number by the original number
539 - 490 = 49
49 ÷ 490 = 0.1
0.1 x 100 = 10%
Example