12.75% is the change from 502 to 566
Calculation steps:
[( 566 - 502 ) ÷ 502] x 100 = 12.75%
Formula
Percentage change = [(566 - 502) / 502] x 100
Subtract the new number by the original number
566 - 502 = 64
64 ÷ 502 = 0.12749003984063745
0.12749003984063745 x 100 = 12.75%