3.67% is the change from 490 to 508
Calculation steps:
[( 508 - 490 ) ÷ 490] x 100 = 3.67%
Formula
Percentage change = [(508 - 490) / 490] x 100
Subtract the new number by the original number
508 - 490 = 18
18 ÷ 490 = 0.036734693877551024
0.036734693877551024 x 100 = 3.67%