3.29% is the change from 486 to 502
Calculation steps:
[( 502 - 486 ) ÷ 486] x 100 = 3.29%
Formula
Percentage change = [(502 - 486) / 486] x 100
Subtract the new number by the original number
502 - 486 = 16
16 ÷ 486 = 0.03292181069958848
0.03292181069958848 x 100 = 3.29%