4.49% is the change from 490 to 512
Calculation steps:
[( 512 - 490 ) ÷ 490] x 100 = 4.49%
Formula
Percentage change = [(512 - 490) / 490] x 100
Subtract the new number by the original number
512 - 490 = 22
22 ÷ 490 = 0.044897959183673466
0.044897959183673466 x 100 = 4.49%