28.57% is the change from 490 to 630
Calculation steps:
[( 630 - 490 ) ÷ 490] x 100 = 28.57%
Formula
Percentage change = [(630 - 490) / 490] x 100
Subtract the new number by the original number
630 - 490 = 140
140 ÷ 490 = 0.2857142857142857
0.2857142857142857 x 100 = 28.57%