9.76% is the change from 502 to 551
Calculation steps:
[( 551 - 502 ) ÷ 502] x 100 = 9.76%
Formula
Percentage change = [(551 - 502) / 502] x 100
Subtract the new number by the original number
551 - 502 = 49
49 ÷ 502 = 0.09760956175298804
0.09760956175298804 x 100 = 9.76%