2.87% is the change from 488 to 502
Calculation steps:
[( 502 - 488 ) ÷ 488] x 100 = 2.87%
Formula
Percentage change = [(502 - 488) / 488] x 100
Subtract the new number by the original number
502 - 488 = 14
14 ÷ 488 = 0.028688524590163935
0.028688524590163935 x 100 = 2.87%