8.38% is the change from 501 to 543
Calculation steps:
[( 543 - 501 ) ÷ 501] x 100 = 8.38%
Formula
Percentage change = [(543 - 501) / 501] x 100
Subtract the new number by the original number
543 - 501 = 42
42 ÷ 501 = 0.08383233532934131
0.08383233532934131 x 100 = 8.38%