2.45% is the change from 490 to 502
Calculation steps:
[( 502 - 490 ) ÷ 490] x 100 = 2.45%
Formula
Percentage change = [(502 - 490) / 490] x 100
Subtract the new number by the original number
502 - 490 = 12
12 ÷ 490 = 0.024489795918367346
0.024489795918367346 x 100 = 2.45%