10.2% is the change from 490 to 540
Calculation steps:
[( 540 - 490 ) ÷ 490] x 100 = 10.2%
Formula
Percentage change = [(540 - 490) / 490] x 100
Subtract the new number by the original number
540 - 490 = 50
50 ÷ 490 = 0.10204081632653061
0.10204081632653061 x 100 = 10.2%